Home / 42,497,607.60-63,762,507.72-25,470,500.40

Finding the Fourth Proportional to 42,497,607.60, 63,762,507.72 and 25,470,500.40

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Solution

The fourth proportional to 42,497,607.60, 63,762,507.72 and 25,470,500.40 is: 38,215,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,497,607.60 : 63,762,507.72 = 25,470,500.40 : x
  2. Step 2: Convert to fraction form
    42,497,607.60/63,762,507.72 = 25,470,500.40/x
  3. Step 3: Cross multiply
    42,497,607.60x = 63,762,507.72 × 25,470,500.40
  4. Step 4: Simplify right side
    42,497,607.60x = 1,624,062,978,387,263
  5. Step 5: Solve for x
    x = 1,624,062,978,387,263/42,497,607.60
  6. Step 6: Final answer
    x = 38,215,397.76

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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.