Home / 29,218,354.61-40,322,516.22-16,165,400.90

Finding the Fourth Proportional to 29,218,354.61, 40,322,516.22 and 16,165,400.90

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Solution

The fourth proportional to 29,218,354.61, 40,322,516.22 and 16,165,400.90 is: 22,308,909.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,218,354.61 : 40,322,516.22 = 16,165,400.90 : x
  2. Step 2: Convert to fraction form
    29,218,354.61/40,322,516.22 = 16,165,400.90/x
  3. Step 3: Cross multiply
    29,218,354.61x = 40,322,516.22 × 16,165,400.90
  4. Step 4: Simplify right side
    29,218,354.61x = 651,829,639,791,440
  5. Step 5: Solve for x
    x = 651,829,639,791,440/29,218,354.61
  6. Step 6: Final answer
    x = 22,308,909.88

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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.