Home / 47,681,201.96-71,508,997.83-13,129,377.63

Finding the Fourth Proportional to 47,681,201.96, 71,508,997.83 and 13,129,377.63

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Solution

The fourth proportional to 47,681,201.96, 71,508,997.83 and 13,129,377.63 is: 19,690,540.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,681,201.96 : 71,508,997.83 = 13,129,377.63 : x
  2. Step 2: Convert to fraction form
    47,681,201.96/71,508,997.83 = 13,129,377.63/x
  3. Step 3: Cross multiply
    47,681,201.96x = 71,508,997.83 × 13,129,377.63
  4. Step 4: Simplify right side
    47,681,201.96x = 938,868,636,636,235.12
  5. Step 5: Solve for x
    x = 938,868,636,636,235.12/47,681,201.96
  6. Step 6: Final answer
    x = 19,690,540.46

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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.