Home / 11,434,878.54-15,778,073.43-6,473,286.72

Finding the Fourth Proportional to 11,434,878.54, 15,778,073.43 and 6,473,286.72

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Solution

The fourth proportional to 11,434,878.54, 15,778,073.43 and 6,473,286.72 is: 8,931,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,434,878.54 : 15,778,073.43 = 6,473,286.72 : x
  2. Step 2: Convert to fraction form
    11,434,878.54/15,778,073.43 = 6,473,286.72/x
  3. Step 3: Cross multiply
    11,434,878.54x = 15,778,073.43 × 6,473,286.72
  4. Step 4: Simplify right side
    11,434,878.54x = 102,135,993,201,603.84
  5. Step 5: Solve for x
    x = 102,135,993,201,603.84/11,434,878.54
  6. Step 6: Final answer
    x = 8,931,970.10

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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.