Home / 10,466,753.81-15,700,118.40-3,278,847.53

Finding the Fourth Proportional to 10,466,753.81, 15,700,118.40 and 3,278,847.53

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Solution

The fourth proportional to 10,466,753.81, 15,700,118.40 and 3,278,847.53 is: 4,918,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,466,753.81 : 15,700,118.40 = 3,278,847.53 : x
  2. Step 2: Convert to fraction form
    10,466,753.81/15,700,118.40 = 3,278,847.53/x
  3. Step 3: Cross multiply
    10,466,753.81x = 15,700,118.40 × 3,278,847.53
  4. Step 4: Simplify right side
    10,466,753.81x = 51,478,294,475,797.85
  5. Step 5: Solve for x
    x = 51,478,294,475,797.85/10,466,753.81
  6. Step 6: Final answer
    x = 4,918,267.44

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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.