Home / 25,207,507.20-37,744,905.60-18,439,276.80

Finding the Fourth Proportional to 25,207,507.20, 37,744,905.60 and 18,439,276.80

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Solution

The fourth proportional to 25,207,507.20, 37,744,905.60 and 18,439,276.80 is: 27,610,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,207,507.20 : 37,744,905.60 = 18,439,276.80 : x
  2. Step 2: Convert to fraction form
    25,207,507.20/37,744,905.60 = 18,439,276.80/x
  3. Step 3: Cross multiply
    25,207,507.20x = 37,744,905.60 × 18,439,276.80
  4. Step 4: Simplify right side
    25,207,507.20x = 695,988,762,148,270.12
  5. Step 5: Solve for x
    x = 695,988,762,148,270.12/25,207,507.20
  6. Step 6: Final answer
    x = 27,610,376.41

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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.