Home / 11,506,641.12-15,879,545.28-6,279,934.56

Finding the Fourth Proportional to 11,506,641.12, 15,879,545.28 and 6,279,934.56

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Solution

The fourth proportional to 11,506,641.12, 15,879,545.28 and 6,279,934.56 is: 8,666,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,506,641.12 : 15,879,545.28 = 6,279,934.56 : x
  2. Step 2: Convert to fraction form
    11,506,641.12/15,879,545.28 = 6,279,934.56/x
  3. Step 3: Cross multiply
    11,506,641.12x = 15,879,545.28 × 6,279,934.56
  4. Step 4: Simplify right side
    11,506,641.12x = 99,722,505,200,956.86
  5. Step 5: Solve for x
    x = 99,722,505,200,956.86/11,506,641.12
  6. Step 6: Final answer
    x = 8,666,517.38

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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.