Home / 9,378,522-12,942,360.36-5,304,053.52

Finding the Fourth Proportional to 9,378,522, 12,942,360.36 and 5,304,053.52

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Solution

The fourth proportional to 9,378,522, 12,942,360.36 and 5,304,053.52 is: 7,319,593.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378,522 : 12,942,360.36 = 5,304,053.52 : x
  2. Step 2: Convert to fraction form
    9,378,522/12,942,360.36 = 5,304,053.52/x
  3. Step 3: Cross multiply
    9,378,522x = 12,942,360.36 × 5,304,053.52
  4. Step 4: Simplify right side
    9,378,522x = 68,646,972,024,566.46
  5. Step 5: Solve for x
    x = 68,646,972,024,566.46/9,378,522
  6. Step 6: Final answer
    x = 7,319,593.86

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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.