Home / 13,753,525.17-18,980,319.78-7,558,791.47

Finding the Fourth Proportional to 13,753,525.17, 18,980,319.78 and 7,558,791.47

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Solution

The fourth proportional to 13,753,525.17, 18,980,319.78 and 7,558,791.47 is: 10,431,382.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,525.17 : 18,980,319.78 = 7,558,791.47 : x
  2. Step 2: Convert to fraction form
    13,753,525.17/18,980,319.78 = 7,558,791.47/x
  3. Step 3: Cross multiply
    13,753,525.17x = 18,980,319.78 × 7,558,791.47
  4. Step 4: Simplify right side
    13,753,525.17x = 143,468,279,156,034.69
  5. Step 5: Solve for x
    x = 143,468,279,156,034.69/13,753,525.17
  6. Step 6: Final answer
    x = 10,431,382.31

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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.