Home / 15,251,603,243.48-21,046,675,660.86-8,384,949,878.12

Finding the Fourth Proportional to 15,251,603,243.48, 21,046,675,660.86 and 8,384,949,878.12

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Solution

The fourth proportional to 15,251,603,243.48, 21,046,675,660.86 and 8,384,949,878.12 is: 11,570,935,704.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,251,603,243.48 : 21,046,675,660.86 = 8,384,949,878.12 : x
  2. Step 2: Convert to fraction form
    15,251,603,243.48/21,046,675,660.86 = 8,384,949,878.12/x
  3. Step 3: Cross multiply
    15,251,603,243.48x = 21,046,675,660.86 × 8,384,949,878.12
  4. Step 4: Simplify right side
    15,251,603,243.48x = 176,475,320,517,359,239,168
  5. Step 5: Solve for x
    x = 176,475,320,517,359,239,168/15,251,603,243.48
  6. Step 6: Final answer
    x = 11,570,935,704.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.