Home / 10,318,437.82-15,479,151.40-3,840,974.74

Finding the Fourth Proportional to 10,318,437.82, 15,479,151.40 and 3,840,974.74

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Solution

The fourth proportional to 10,318,437.82, 15,479,151.40 and 3,840,974.74 is: 5,762,018.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318,437.82 : 15,479,151.40 = 3,840,974.74 : x
  2. Step 2: Convert to fraction form
    10,318,437.82/15,479,151.40 = 3,840,974.74/x
  3. Step 3: Cross multiply
    10,318,437.82x = 15,479,151.40 × 3,840,974.74
  4. Step 4: Simplify right side
    10,318,437.82x = 59,455,029,548,185.79
  5. Step 5: Solve for x
    x = 59,455,029,548,185.79/10,318,437.82
  6. Step 6: Final answer
    x = 5,762,018.49

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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.