Home / 13,413,872.30-20,120,808.45-4,891,376.30

Finding the Fourth Proportional to 13,413,872.30, 20,120,808.45 and 4,891,376.30

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Solution

The fourth proportional to 13,413,872.30, 20,120,808.45 and 4,891,376.30 is: 7,337,064.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413,872.30 : 20,120,808.45 = 4,891,376.30 : x
  2. Step 2: Convert to fraction form
    13,413,872.30/20,120,808.45 = 4,891,376.30/x
  3. Step 3: Cross multiply
    13,413,872.30x = 20,120,808.45 × 4,891,376.30
  4. Step 4: Simplify right side
    13,413,872.30x = 98,418,445,589,169.73
  5. Step 5: Solve for x
    x = 98,418,445,589,169.73/13,413,872.30
  6. Step 6: Final answer
    x = 7,337,064.45

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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.