Home / 12,952,713.89-19,452,228.20-12,431,982.85

Finding the Fourth Proportional to 12,952,713.89, 19,452,228.20 and 12,431,982.85

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Solution

The fourth proportional to 12,952,713.89, 19,452,228.20 and 12,431,982.85 is: 18,670,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952,713.89 : 19,452,228.20 = 12,431,982.85 : x
  2. Step 2: Convert to fraction form
    12,952,713.89/19,452,228.20 = 12,431,982.85/x
  3. Step 3: Cross multiply
    12,952,713.89x = 19,452,228.20 × 12,431,982.85
  4. Step 4: Simplify right side
    12,952,713.89x = 241,829,767,376,686.34
  5. Step 5: Solve for x
    x = 241,829,767,376,686.34/12,952,713.89
  6. Step 6: Final answer
    x = 18,670,200.66

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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.