Home / 21,102,609.59-31,653,865.17-13,861,775.17

Finding the Fourth Proportional to 21,102,609.59, 31,653,865.17 and 13,861,775.17

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Solution

The fourth proportional to 21,102,609.59, 31,653,865.17 and 13,861,775.17 is: 20,792,630.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,102,609.59 : 31,653,865.17 = 13,861,775.17 : x
  2. Step 2: Convert to fraction form
    21,102,609.59/31,653,865.17 = 13,861,775.17/x
  3. Step 3: Cross multiply
    21,102,609.59x = 31,653,865.17 × 13,861,775.17
  4. Step 4: Simplify right side
    21,102,609.59x = 438,778,762,168,899.19
  5. Step 5: Solve for x
    x = 438,778,762,168,899.19/21,102,609.59
  6. Step 6: Final answer
    x = 20,792,630.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.