Home / 16,513,370.40-22,787,694.72-9,171,672.96

Finding the Fourth Proportional to 16,513,370.40, 22,787,694.72 and 9,171,672.96

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Solution

The fourth proportional to 16,513,370.40, 22,787,694.72 and 9,171,672.96 is: 12,656,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,513,370.40 : 22,787,694.72 = 9,171,672.96 : x
  2. Step 2: Convert to fraction form
    16,513,370.40/22,787,694.72 = 9,171,672.96/x
  3. Step 3: Cross multiply
    16,513,370.40x = 22,787,694.72 × 9,171,672.96
  4. Step 4: Simplify right side
    16,513,370.40x = 209,001,283,484,158.78
  5. Step 5: Solve for x
    x = 209,001,283,484,158.78/16,513,370.40
  6. Step 6: Final answer
    x = 12,656,488.56

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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.