Home / 15,270,635.82-21,073,490.91-8,395,234.86

Finding the Fourth Proportional to 15,270,635.82, 21,073,490.91 and 8,395,234.86

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Solution

The fourth proportional to 15,270,635.82, 21,073,490.91 and 8,395,234.86 is: 11,585,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270,635.82 : 21,073,490.91 = 8,395,234.86 : x
  2. Step 2: Convert to fraction form
    15,270,635.82/21,073,490.91 = 8,395,234.86/x
  3. Step 3: Cross multiply
    15,270,635.82x = 21,073,490.91 × 8,395,234.86
  4. Step 4: Simplify right side
    15,270,635.82x = 176,916,905,509,525.12
  5. Step 5: Solve for x
    x = 176,916,905,509,525.12/15,270,635.82
  6. Step 6: Final answer
    x = 11,585,431.52

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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.