Home / 14,517,921.39-21,776,882.08-5,420,729.42

Finding the Fourth Proportional to 14,517,921.39, 21,776,882.08 and 5,420,729.42

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Solution

The fourth proportional to 14,517,921.39, 21,776,882.08 and 5,420,729.42 is: 8,131,094.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517,921.39 : 21,776,882.08 = 5,420,729.42 : x
  2. Step 2: Convert to fraction form
    14,517,921.39/21,776,882.08 = 5,420,729.42/x
  3. Step 3: Cross multiply
    14,517,921.39x = 21,776,882.08 × 5,420,729.42
  4. Step 4: Simplify right side
    14,517,921.39x = 118,046,585,366,926.78
  5. Step 5: Solve for x
    x = 118,046,585,366,926.78/14,517,921.39
  6. Step 6: Final answer
    x = 8,131,094.13

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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.