Home / 10,251,662.40-15,376,327.20-2,679,393.60

Finding the Fourth Proportional to 10,251,662.40, 15,376,327.20 and 2,679,393.60

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Solution

The fourth proportional to 10,251,662.40, 15,376,327.20 and 2,679,393.60 is: 4,018,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251,662.40 : 15,376,327.20 = 2,679,393.60 : x
  2. Step 2: Convert to fraction form
    10,251,662.40/15,376,327.20 = 2,679,393.60/x
  3. Step 3: Cross multiply
    10,251,662.40x = 15,376,327.20 × 2,679,393.60
  4. Step 4: Simplify right side
    10,251,662.40x = 41,199,232,691,185.92
  5. Step 5: Solve for x
    x = 41,199,232,691,185.92/10,251,662.40
  6. Step 6: Final answer
    x = 4,018,785.55

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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.