Home / 47,338,715.70-71,008,073.55-38,828,661.30

Finding the Fourth Proportional to 47,338,715.70, 71,008,073.55 and 38,828,661.30

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Solution

The fourth proportional to 47,338,715.70, 71,008,073.55 and 38,828,661.30 is: 58,242,991.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,338,715.70 : 71,008,073.55 = 38,828,661.30 : x
  2. Step 2: Convert to fraction form
    47,338,715.70/71,008,073.55 = 38,828,661.30/x
  3. Step 3: Cross multiply
    47,338,715.70x = 71,008,073.55 × 38,828,661.30
  4. Step 4: Simplify right side
    47,338,715.70x = 2,757,148,437,438,438.50
  5. Step 5: Solve for x
    x = 2,757,148,437,438,438.50/47,338,715.70
  6. Step 6: Final answer
    x = 58,242,991.95

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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.