Home / 14,479,839.12-21,686,691.20-6,912,119.28

Finding the Fourth Proportional to 14,479,839.12, 21,686,691.20 and 6,912,119.28

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Solution

The fourth proportional to 14,479,839.12, 21,686,691.20 and 6,912,119.28 is: 10,352,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479,839.12 : 21,686,691.20 = 6,912,119.28 : x
  2. Step 2: Convert to fraction form
    14,479,839.12/21,686,691.20 = 6,912,119.28/x
  3. Step 3: Cross multiply
    14,479,839.12x = 21,686,691.20 × 6,912,119.28
  4. Step 4: Simplify right side
    14,479,839.12x = 149,900,996,362,926.34
  5. Step 5: Solve for x
    x = 149,900,996,362,926.34/14,479,839.12
  6. Step 6: Final answer
    x = 10,352,393.77

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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.