Home / 42,123,923.88-63,188,335.26-11,834,148.84

Finding the Fourth Proportional to 42,123,923.88, 63,188,335.26 and 11,834,148.84

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Solution

The fourth proportional to 42,123,923.88, 63,188,335.26 and 11,834,148.84 is: 17,751,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,123,923.88 : 63,188,335.26 = 11,834,148.84 : x
  2. Step 2: Convert to fraction form
    42,123,923.88/63,188,335.26 = 11,834,148.84/x
  3. Step 3: Cross multiply
    42,123,923.88x = 63,188,335.26 × 11,834,148.84
  4. Step 4: Simplify right side
    42,123,923.88x = 747,780,164,418,660.12
  5. Step 5: Solve for x
    x = 747,780,164,418,660.12/42,123,923.88
  6. Step 6: Final answer
    x = 17,751,911.40

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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.