Home / 13,982,869.08-20,976,762.78-5,785,487.64

Finding the Fourth Proportional to 13,982,869.08, 20,976,762.78 and 5,785,487.64

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Solution

The fourth proportional to 13,982,869.08, 20,976,762.78 and 5,785,487.64 is: 8,679,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982,869.08 : 20,976,762.78 = 5,785,487.64 : x
  2. Step 2: Convert to fraction form
    13,982,869.08/20,976,762.78 = 5,785,487.64/x
  3. Step 3: Cross multiply
    13,982,869.08x = 20,976,762.78 × 5,785,487.64
  4. Step 4: Simplify right side
    13,982,869.08x = 121,360,801,790,902.05
  5. Step 5: Solve for x
    x = 121,360,801,790,902.05/13,982,869.08
  6. Step 6: Final answer
    x = 8,679,248.95

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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.