Home / 42,517,021.92-63,679,648.32-19,750,008.48

Finding the Fourth Proportional to 42,517,021.92, 63,679,648.32 and 19,750,008.48

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Solution

The fourth proportional to 42,517,021.92, 63,679,648.32 and 19,750,008.48 is: 29,580,472.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,517,021.92 : 63,679,648.32 = 19,750,008.48 : x
  2. Step 2: Convert to fraction form
    42,517,021.92/63,679,648.32 = 19,750,008.48/x
  3. Step 3: Cross multiply
    42,517,021.92x = 63,679,648.32 × 19,750,008.48
  4. Step 4: Simplify right side
    42,517,021.92x = 1,257,673,594,323,417.75
  5. Step 5: Solve for x
    x = 1,257,673,594,323,417.75/42,517,021.92
  6. Step 6: Final answer
    x = 29,580,472.42

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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.