Home / 8,687,999.70-13,031,999.55-8,016,153.30

Finding the Fourth Proportional to 8,687,999.70, 13,031,999.55 and 8,016,153.30

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Solution

The fourth proportional to 8,687,999.70, 13,031,999.55 and 8,016,153.30 is: 12,024,229.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687,999.70 : 13,031,999.55 = 8,016,153.30 : x
  2. Step 2: Convert to fraction form
    8,687,999.70/13,031,999.55 = 8,016,153.30/x
  3. Step 3: Cross multiply
    8,687,999.70x = 13,031,999.55 × 8,016,153.30
  4. Step 4: Simplify right side
    8,687,999.70x = 104,466,506,198,331.02
  5. Step 5: Solve for x
    x = 104,466,506,198,331.02/8,687,999.70
  6. Step 6: Final answer
    x = 12,024,229.95

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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.