Home / 15,551,307.27-21,461,319.49-8,487,287.33

Finding the Fourth Proportional to 15,551,307.27, 21,461,319.49 and 8,487,287.33

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Solution

The fourth proportional to 15,551,307.27, 21,461,319.49 and 8,487,287.33 is: 11,712,737.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551,307.27 : 21,461,319.49 = 8,487,287.33 : x
  2. Step 2: Convert to fraction form
    15,551,307.27/21,461,319.49 = 8,487,287.33/x
  3. Step 3: Cross multiply
    15,551,307.27x = 21,461,319.49 × 8,487,287.33
  4. Step 4: Simplify right side
    15,551,307.27x = 182,148,384,856,073.16
  5. Step 5: Solve for x
    x = 182,148,384,856,073.16/15,551,307.27
  6. Step 6: Final answer
    x = 11,712,737.82

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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.