Home / 8,311,170.60-12,452,759.10-7,807,285.80

Finding the Fourth Proportional to 8,311,170.60, 12,452,759.10 and 7,807,285.80

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Solution

The fourth proportional to 8,311,170.60, 12,452,759.10 and 7,807,285.80 is: 11,697,780.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,170.60 : 12,452,759.10 = 7,807,285.80 : x
  2. Step 2: Convert to fraction form
    8,311,170.60/12,452,759.10 = 7,807,285.80/x
  3. Step 3: Cross multiply
    8,311,170.60x = 12,452,759.10 × 7,807,285.80
  4. Step 4: Simplify right side
    8,311,170.60x = 97,222,249,292,250.78
  5. Step 5: Solve for x
    x = 97,222,249,292,250.78/8,311,170.60
  6. Step 6: Final answer
    x = 11,697,780.49

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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.