Home / 8,520,621.60-12,780,932.40-4,041,645.60

Finding the Fourth Proportional to 8,520,621.60, 12,780,932.40 and 4,041,645.60

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Solution

The fourth proportional to 8,520,621.60, 12,780,932.40 and 4,041,645.60 is: 6,062,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,621.60 : 12,780,932.40 = 4,041,645.60 : x
  2. Step 2: Convert to fraction form
    8,520,621.60/12,780,932.40 = 4,041,645.60/x
  3. Step 3: Cross multiply
    8,520,621.60x = 12,780,932.40 × 4,041,645.60
  4. Step 4: Simplify right side
    8,520,621.60x = 51,655,999,198,357.45
  5. Step 5: Solve for x
    x = 51,655,999,198,357.45/8,520,621.60
  6. Step 6: Final answer
    x = 6,062,468.40

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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.