Home / 8,380,332.68-12,565,354.35-3,256,780.10

Finding the Fourth Proportional to 8,380,332.68, 12,565,354.35 and 3,256,780.10

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Solution

The fourth proportional to 8,380,332.68, 12,565,354.35 and 3,256,780.10 is: 4,883,170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380,332.68 : 12,565,354.35 = 3,256,780.10 : x
  2. Step 2: Convert to fraction form
    8,380,332.68/12,565,354.35 = 3,256,780.10/x
  3. Step 3: Cross multiply
    8,380,332.68x = 12,565,354.35 × 3,256,780.10
  4. Step 4: Simplify right side
    8,380,332.68x = 40,922,595,996,528.44
  5. Step 5: Solve for x
    x = 40,922,595,996,528.44/8,380,332.68
  6. Step 6: Final answer
    x = 4,883,170.82

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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.