Home / 8,121,254.40-12,182,633.28-2,656,380.24

Finding the Fourth Proportional to 8,121,254.40, 12,182,633.28 and 2,656,380.24

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Solution

The fourth proportional to 8,121,254.40, 12,182,633.28 and 2,656,380.24 is: 3,984,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,254.40 : 12,182,633.28 = 2,656,380.24 : x
  2. Step 2: Convert to fraction form
    8,121,254.40/12,182,633.28 = 2,656,380.24/x
  3. Step 3: Cross multiply
    8,121,254.40x = 12,182,633.28 × 2,656,380.24
  4. Step 4: Simplify right side
    8,121,254.40x = 32,361,706,316,158.39
  5. Step 5: Solve for x
    x = 32,361,706,316,158.39/8,121,254.40
  6. Step 6: Final answer
    x = 3,984,816.23

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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.