Home / 7,189,761.12-9,920,555.64-4,092,101.52

Finding the Fourth Proportional to 7,189,761.12, 9,920,555.64 and 4,092,101.52

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Solution

The fourth proportional to 7,189,761.12, 9,920,555.64 and 4,092,101.52 is: 5,646,351.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189,761.12 : 9,920,555.64 = 4,092,101.52 : x
  2. Step 2: Convert to fraction form
    7,189,761.12/9,920,555.64 = 4,092,101.52/x
  3. Step 3: Cross multiply
    7,189,761.12x = 9,920,555.64 × 4,092,101.52
  4. Step 4: Simplify right side
    7,189,761.12x = 40,595,920,813,688.58
  5. Step 5: Solve for x
    x = 40,595,920,813,688.58/7,189,761.12
  6. Step 6: Final answer
    x = 5,646,351.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.