Home / 8,316,286.20-12,474,429.30-4,720,663.80

Finding the Fourth Proportional to 8,316,286.20, 12,474,429.30 and 4,720,663.80

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Solution

The fourth proportional to 8,316,286.20, 12,474,429.30 and 4,720,663.80 is: 7,080,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,286.20 : 12,474,429.30 = 4,720,663.80 : x
  2. Step 2: Convert to fraction form
    8,316,286.20/12,474,429.30 = 4,720,663.80/x
  3. Step 3: Cross multiply
    8,316,286.20x = 12,474,429.30 × 4,720,663.80
  4. Step 4: Simplify right side
    8,316,286.20x = 58,887,586,822,169.34
  5. Step 5: Solve for x
    x = 58,887,586,822,169.34/8,316,286.20
  6. Step 6: Final answer
    x = 7,080,995.70

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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.