Home / 13,306,439.80-19,959,659.70-8,267,591.80

Finding the Fourth Proportional to 13,306,439.80, 19,959,659.70 and 8,267,591.80

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Solution

The fourth proportional to 13,306,439.80, 19,959,659.70 and 8,267,591.80 is: 12,401,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,439.80 : 19,959,659.70 = 8,267,591.80 : x
  2. Step 2: Convert to fraction form
    13,306,439.80/19,959,659.70 = 8,267,591.80/x
  3. Step 3: Cross multiply
    13,306,439.80x = 19,959,659.70 × 8,267,591.80
  4. Step 4: Simplify right side
    13,306,439.80x = 165,018,318,866,510.44
  5. Step 5: Solve for x
    x = 165,018,318,866,510.44/13,306,439.80
  6. Step 6: Final answer
    x = 12,401,387.70

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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.