Home / 13,324,508.14-18,387,948.01-7,817,976.69

Finding the Fourth Proportional to 13,324,508.14, 18,387,948.01 and 7,817,976.69

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Solution

The fourth proportional to 13,324,508.14, 18,387,948.01 and 7,817,976.69 is: 10,788,882.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324,508.14 : 18,387,948.01 = 7,817,976.69 : x
  2. Step 2: Convert to fraction form
    13,324,508.14/18,387,948.01 = 7,817,976.69/x
  3. Step 3: Cross multiply
    13,324,508.14x = 18,387,948.01 × 7,817,976.69
  4. Step 4: Simplify right side
    13,324,508.14x = 143,756,548,918,971.12
  5. Step 5: Solve for x
    x = 143,756,548,918,971.12/13,324,508.14
  6. Step 6: Final answer
    x = 10,788,882.22

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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.