Home / 10,391,660.52-14,340,040.62-5,681,969.88

Finding the Fourth Proportional to 10,391,660.52, 14,340,040.62 and 5,681,969.88

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Solution

The fourth proportional to 10,391,660.52, 14,340,040.62 and 5,681,969.88 is: 7,840,871.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391,660.52 : 14,340,040.62 = 5,681,969.88 : x
  2. Step 2: Convert to fraction form
    10,391,660.52/14,340,040.62 = 5,681,969.88/x
  3. Step 3: Cross multiply
    10,391,660.52x = 14,340,040.62 × 5,681,969.88
  4. Step 4: Simplify right side
    10,391,660.52x = 81,479,678,880,816.52
  5. Step 5: Solve for x
    x = 81,479,678,880,816.52/10,391,660.52
  6. Step 6: Final answer
    x = 7,840,871.89

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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.