Home / 42,226,886.52-63,339,221.66-13,474,776.60

Finding the Fourth Proportional to 42,226,886.52, 63,339,221.66 and 13,474,776.60

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Solution

The fourth proportional to 42,226,886.52, 63,339,221.66 and 13,474,776.60 is: 20,211,811.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,226,886.52 : 63,339,221.66 = 13,474,776.60 : x
  2. Step 2: Convert to fraction form
    42,226,886.52/63,339,221.66 = 13,474,776.60/x
  3. Step 3: Cross multiply
    42,226,886.52x = 63,339,221.66 × 13,474,776.60
  4. Step 4: Simplify right side
    42,226,886.52x = 853,481,861,886,381.12
  5. Step 5: Solve for x
    x = 853,481,861,886,381.12/42,226,886.52
  6. Step 6: Final answer
    x = 20,211,811.29

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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.