Home / 7,154,278.66-9,875,472.62-4,253,662.61

Finding the Fourth Proportional to 7,154,278.66, 9,875,472.62 and 4,253,662.61

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Solution

The fourth proportional to 7,154,278.66, 9,875,472.62 and 4,253,662.61 is: 5,871,581.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154,278.66 : 9,875,472.62 = 4,253,662.61 : x
  2. Step 2: Convert to fraction form
    7,154,278.66/9,875,472.62 = 4,253,662.61/x
  3. Step 3: Cross multiply
    7,154,278.66x = 9,875,472.62 × 4,253,662.61
  4. Step 4: Simplify right side
    7,154,278.66x = 42,006,928,639,772.73
  5. Step 5: Solve for x
    x = 42,006,928,639,772.73/7,154,278.66
  6. Step 6: Final answer
    x = 5,871,581.28

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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.