Home / 8,448,002.20-12,672,003.30-6,656,411.80

Finding the Fourth Proportional to 8,448,002.20, 12,672,003.30 and 6,656,411.80

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Solution

The fourth proportional to 8,448,002.20, 12,672,003.30 and 6,656,411.80 is: 9,984,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448,002.20 : 12,672,003.30 = 6,656,411.80 : x
  2. Step 2: Convert to fraction form
    8,448,002.20/12,672,003.30 = 6,656,411.80/x
  3. Step 3: Cross multiply
    8,448,002.20x = 12,672,003.30 × 6,656,411.80
  4. Step 4: Simplify right side
    8,448,002.20x = 84,350,072,295,758.94
  5. Step 5: Solve for x
    x = 84,350,072,295,758.94/8,448,002.20
  6. Step 6: Final answer
    x = 9,984,617.70

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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.