Home / 10,251,698.40-15,376,381.20-2,679,429.60

Finding the Fourth Proportional to 10,251,698.40, 15,376,381.20 and 2,679,429.60

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Solution

The fourth proportional to 10,251,698.40, 15,376,381.20 and 2,679,429.60 is: 4,018,839.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251,698.40 : 15,376,381.20 = 2,679,429.60 : x
  2. Step 2: Convert to fraction form
    10,251,698.40/15,376,381.20 = 2,679,429.60/x
  3. Step 3: Cross multiply
    10,251,698.40x = 15,376,381.20 × 2,679,429.60
  4. Step 4: Simplify right side
    10,251,698.40x = 41,199,930,928,163.52
  5. Step 5: Solve for x
    x = 41,199,930,928,163.52/10,251,698.40
  6. Step 6: Final answer
    x = 4,018,839.54

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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.