Home / 7,139,839.71-10,711,295.98-2,215,774.16

Finding the Fourth Proportional to 7,139,839.71, 10,711,295.98 and 2,215,774.16

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Solution

The fourth proportional to 7,139,839.71, 10,711,295.98 and 2,215,774.16 is: 3,324,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,839.71 : 10,711,295.98 = 2,215,774.16 : x
  2. Step 2: Convert to fraction form
    7,139,839.71/10,711,295.98 = 2,215,774.16/x
  3. Step 3: Cross multiply
    7,139,839.71x = 10,711,295.98 × 2,215,774.16
  4. Step 4: Simplify right side
    7,139,839.71x = 23,733,812,844,286.73
  5. Step 5: Solve for x
    x = 23,733,812,844,286.73/7,139,839.71
  6. Step 6: Final answer
    x = 3,324,138.05

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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.