Home / 49,675,778.16-74,508,425.52-13,287,840.36

Finding the Fourth Proportional to 49,675,778.16, 74,508,425.52 and 13,287,840.36

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Solution

The fourth proportional to 49,675,778.16, 74,508,425.52 and 13,287,840.36 is: 19,930,358.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,675,778.16 : 74,508,425.52 = 13,287,840.36 : x
  2. Step 2: Convert to fraction form
    49,675,778.16/74,508,425.52 = 13,287,840.36/x
  3. Step 3: Cross multiply
    49,675,778.16x = 74,508,425.52 × 13,287,840.36
  4. Step 4: Simplify right side
    49,675,778.16x = 990,056,063,784,709.88
  5. Step 5: Solve for x
    x = 990,056,063,784,709.88/49,675,778.16
  6. Step 6: Final answer
    x = 19,930,358.43

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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.