Home / 13,439,502.60-20,167,127.10-4,920,700.20

Finding the Fourth Proportional to 13,439,502.60, 20,167,127.10 and 4,920,700.20

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Solution

The fourth proportional to 13,439,502.60, 20,167,127.10 and 4,920,700.20 is: 7,383,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439,502.60 : 20,167,127.10 = 4,920,700.20 : x
  2. Step 2: Convert to fraction form
    13,439,502.60/20,167,127.10 = 4,920,700.20/x
  3. Step 3: Cross multiply
    13,439,502.60x = 20,167,127.10 × 4,920,700.20
  4. Step 4: Simplify right side
    13,439,502.60x = 99,236,386,354,395.44
  5. Step 5: Solve for x
    x = 99,236,386,354,395.44/13,439,502.60
  6. Step 6: Final answer
    x = 7,383,932.97

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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.