Home / 13,639,233.28-18,822,049.32-7,527,661.76

Finding the Fourth Proportional to 13,639,233.28, 18,822,049.32 and 7,527,661.76

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Solution

The fourth proportional to 13,639,233.28, 18,822,049.32 and 7,527,661.76 is: 10,388,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,639,233.28 : 18,822,049.32 = 7,527,661.76 : x
  2. Step 2: Convert to fraction form
    13,639,233.28/18,822,049.32 = 7,527,661.76/x
  3. Step 3: Cross multiply
    13,639,233.28x = 18,822,049.32 × 7,527,661.76
  4. Step 4: Simplify right side
    13,639,233.28x = 141,686,020,910,998
  5. Step 5: Solve for x
    x = 141,686,020,910,998/13,639,233.28
  6. Step 6: Final answer
    x = 10,388,122.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.