Home / 15,764,447.78-21,755,474.72-9,148,524

Finding the Fourth Proportional to 15,764,447.78, 21,755,474.72 and 9,148,524

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Solution

The fourth proportional to 15,764,447.78, 21,755,474.72 and 9,148,524 is: 12,625,274.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,764,447.78 : 21,755,474.72 = 9,148,524 : x
  2. Step 2: Convert to fraction form
    15,764,447.78/21,755,474.72 = 9,148,524/x
  3. Step 3: Cross multiply
    15,764,447.78x = 21,755,474.72 × 9,148,524
  4. Step 4: Simplify right side
    15,764,447.78x = 199,030,482,607,313.28
  5. Step 5: Solve for x
    x = 199,030,482,607,313.28/15,764,447.78
  6. Step 6: Final answer
    x = 12,625,274.63

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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.