Home / 10,129,333.52-13,978,521-5,546,081.36

Finding the Fourth Proportional to 10,129,333.52, 13,978,521 and 5,546,081.36

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Solution

The fourth proportional to 10,129,333.52, 13,978,521 and 5,546,081.36 is: 7,653,614.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129,333.52 : 13,978,521 = 5,546,081.36 : x
  2. Step 2: Convert to fraction form
    10,129,333.52/13,978,521 = 5,546,081.36/x
  3. Step 3: Cross multiply
    10,129,333.52x = 13,978,521 × 5,546,081.36
  4. Step 4: Simplify right side
    10,129,333.52x = 77,526,014,758,468.56
  5. Step 5: Solve for x
    x = 77,526,014,758,468.56/10,129,333.52
  6. Step 6: Final answer
    x = 7,653,614.58

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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.