Home / 20,154,335.10-30,231,502.65-16,564,155.90

Finding the Fourth Proportional to 20,154,335.10, 30,231,502.65 and 16,564,155.90

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Solution

The fourth proportional to 20,154,335.10, 30,231,502.65 and 16,564,155.90 is: 24,846,233.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154,335.10 : 30,231,502.65 = 16,564,155.90 : x
  2. Step 2: Convert to fraction form
    20,154,335.10/30,231,502.65 = 16,564,155.90/x
  3. Step 3: Cross multiply
    20,154,335.10x = 30,231,502.65 × 16,564,155.90
  4. Step 4: Simplify right side
    20,154,335.10x = 500,759,322,985,863.12
  5. Step 5: Solve for x
    x = 500,759,322,985,863.12/20,154,335.10
  6. Step 6: Final answer
    x = 24,846,233.85

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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.