Home / 14,414,065.38-19,891,411.74-7,887,696.18

Finding the Fourth Proportional to 14,414,065.38, 19,891,411.74 and 7,887,696.18

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Solution

The fourth proportional to 14,414,065.38, 19,891,411.74 and 7,887,696.18 is: 10,885,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,414,065.38 : 19,891,411.74 = 7,887,696.18 : x
  2. Step 2: Convert to fraction form
    14,414,065.38/19,891,411.74 = 7,887,696.18/x
  3. Step 3: Cross multiply
    14,414,065.38x = 19,891,411.74 × 7,887,696.18
  4. Step 4: Simplify right side
    14,414,065.38x = 156,897,412,396,405.12
  5. Step 5: Solve for x
    x = 156,897,412,396,405.12/14,414,065.38
  6. Step 6: Final answer
    x = 10,885,021.56

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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.