Home / 21,092,671.86-31,641,535.14-7,442,998.88

Finding the Fourth Proportional to 21,092,671.86, 31,641,535.14 and 7,442,998.88

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Solution

The fourth proportional to 21,092,671.86, 31,641,535.14 and 7,442,998.88 is: 11,165,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,092,671.86 : 31,641,535.14 = 7,442,998.88 : x
  2. Step 2: Convert to fraction form
    21,092,671.86/31,641,535.14 = 7,442,998.88/x
  3. Step 3: Cross multiply
    21,092,671.86x = 31,641,535.14 × 7,442,998.88
  4. Step 4: Simplify right side
    21,092,671.86x = 235,507,910,422,381.72
  5. Step 5: Solve for x
    x = 235,507,910,422,381.72/21,092,671.86
  6. Step 6: Final answer
    x = 11,165,390.14

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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.