Home / 16,488,358.72-24,736,724.16-5,128,892.80

Finding the Fourth Proportional to 16,488,358.72, 24,736,724.16 and 5,128,892.80

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Solution

The fourth proportional to 16,488,358.72, 24,736,724.16 and 5,128,892.80 is: 7,694,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488,358.72 : 24,736,724.16 = 5,128,892.80 : x
  2. Step 2: Convert to fraction form
    16,488,358.72/24,736,724.16 = 5,128,892.80/x
  3. Step 3: Cross multiply
    16,488,358.72x = 24,736,724.16 × 5,128,892.80
  4. Step 4: Simplify right side
    16,488,358.72x = 126,872,006,439,810.05
  5. Step 5: Solve for x
    x = 126,872,006,439,810.05/16,488,358.72
  6. Step 6: Final answer
    x = 7,694,641.33

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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.