Home / 14,414,226.80-19,891,635-7,887,857.72

Finding the Fourth Proportional to 14,414,226.80, 19,891,635 and 7,887,857.72

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Solution

The fourth proportional to 14,414,226.80, 19,891,635 and 7,887,857.72 is: 10,885,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,414,226.80 : 19,891,635 = 7,887,857.72 : x
  2. Step 2: Convert to fraction form
    14,414,226.80/19,891,635 = 7,887,857.72/x
  3. Step 3: Cross multiply
    14,414,226.80x = 19,891,635 × 7,887,857.72
  4. Step 4: Simplify right side
    14,414,226.80x = 156,902,386,698,172.19
  5. Step 5: Solve for x
    x = 156,902,386,698,172.19/14,414,226.80
  6. Step 6: Final answer
    x = 10,885,244.76

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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.