Home / 42,127,168.62-63,192,917.88-11,837,393.58

Finding the Fourth Proportional to 42,127,168.62, 63,192,917.88 and 11,837,393.58

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Solution

The fourth proportional to 42,127,168.62, 63,192,917.88 and 11,837,393.58 is: 17,756,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,127,168.62 : 63,192,917.88 = 11,837,393.58 : x
  2. Step 2: Convert to fraction form
    42,127,168.62/63,192,917.88 = 11,837,393.58/x
  3. Step 3: Cross multiply
    42,127,168.62x = 63,192,917.88 × 11,837,393.58
  4. Step 4: Simplify right side
    42,127,168.62x = 748,039,440,414,179.25
  5. Step 5: Solve for x
    x = 748,039,440,414,179.25/42,127,168.62
  6. Step 6: Final answer
    x = 17,756,698.70

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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.