Home / 8,520,139.80-12,775,544.10-3,465,739.80

Finding the Fourth Proportional to 8,520,139.80, 12,775,544.10 and 3,465,739.80

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Solution

The fourth proportional to 8,520,139.80, 12,775,544.10 and 3,465,739.80 is: 5,196,711.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,139.80 : 12,775,544.10 = 3,465,739.80 : x
  2. Step 2: Convert to fraction form
    8,520,139.80/12,775,544.10 = 3,465,739.80/x
  3. Step 3: Cross multiply
    8,520,139.80x = 12,775,544.10 × 3,465,739.80
  4. Step 4: Simplify right side
    8,520,139.80x = 44,276,711,654,025.18
  5. Step 5: Solve for x
    x = 44,276,711,654,025.18/8,520,139.80
  6. Step 6: Final answer
    x = 5,196,711.87

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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.