Home / 8,375,785.20-12,563,677.80-5,506,003.80

Finding the Fourth Proportional to 8,375,785.20, 12,563,677.80 and 5,506,003.80

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Solution

The fourth proportional to 8,375,785.20, 12,563,677.80 and 5,506,003.80 is: 8,259,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375,785.20 : 12,563,677.80 = 5,506,003.80 : x
  2. Step 2: Convert to fraction form
    8,375,785.20/12,563,677.80 = 5,506,003.80/x
  3. Step 3: Cross multiply
    8,375,785.20x = 12,563,677.80 × 5,506,003.80
  4. Step 4: Simplify right side
    8,375,785.20x = 69,175,657,708,775.64
  5. Step 5: Solve for x
    x = 69,175,657,708,775.64/8,375,785.20
  6. Step 6: Final answer
    x = 8,259,005.70

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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.