Home / 8,129,155.23-12,198,456.77-3,641,431.23

Finding the Fourth Proportional to 8,129,155.23, 12,198,456.77 and 3,641,431.23

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Solution

The fourth proportional to 8,129,155.23, 12,198,456.77 and 3,641,431.23 is: 5,464,262.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,155.23 : 12,198,456.77 = 3,641,431.23 : x
  2. Step 2: Convert to fraction form
    8,129,155.23/12,198,456.77 = 3,641,431.23/x
  3. Step 3: Cross multiply
    8,129,155.23x = 12,198,456.77 × 3,641,431.23
  4. Step 4: Simplify right side
    8,129,155.23x = 44,419,841,421,875.77
  5. Step 5: Solve for x
    x = 44,419,841,421,875.77/8,129,155.23
  6. Step 6: Final answer
    x = 5,464,262.91

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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.