Home / 10,251,830.40-15,376,579.20-2,679,561.60

Finding the Fourth Proportional to 10,251,830.40, 15,376,579.20 and 2,679,561.60

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Solution

The fourth proportional to 10,251,830.40, 15,376,579.20 and 2,679,561.60 is: 4,019,037.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251,830.40 : 15,376,579.20 = 2,679,561.60 : x
  2. Step 2: Convert to fraction form
    10,251,830.40/15,376,579.20 = 2,679,561.60/x
  3. Step 3: Cross multiply
    10,251,830.40x = 15,376,579.20 × 2,679,561.60
  4. Step 4: Simplify right side
    10,251,830.40x = 41,202,491,163,678.72
  5. Step 5: Solve for x
    x = 41,202,491,163,678.72/10,251,830.40
  6. Step 6: Final answer
    x = 4,019,037.53

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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.