Home / 15,294,121.71-21,103,418.39-8,766,550

Finding the Fourth Proportional to 15,294,121.71, 21,103,418.39 and 8,766,550

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Solution

The fourth proportional to 15,294,121.71, 21,103,418.39 and 8,766,550 is: 12,096,423.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294,121.71 : 21,103,418.39 = 8,766,550 : x
  2. Step 2: Convert to fraction form
    15,294,121.71/21,103,418.39 = 8,766,550/x
  3. Step 3: Cross multiply
    15,294,121.71x = 21,103,418.39 × 8,766,550
  4. Step 4: Simplify right side
    15,294,121.71x = 185,004,172,486,854.50
  5. Step 5: Solve for x
    x = 185,004,172,486,854.50/15,294,121.71
  6. Step 6: Final answer
    x = 12,096,423.45

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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.