Home / 13,173,889-18,179,966.82-7,144,577

Finding the Fourth Proportional to 13,173,889, 18,179,966.82 and 7,144,577

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Solution

The fourth proportional to 13,173,889, 18,179,966.82 and 7,144,577 is: 9,859,516.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,889 : 18,179,966.82 = 7,144,577 : x
  2. Step 2: Convert to fraction form
    13,173,889/18,179,966.82 = 7,144,577/x
  3. Step 3: Cross multiply
    13,173,889x = 18,179,966.82 × 7,144,577
  4. Step 4: Simplify right side
    13,173,889x = 129,888,172,802,935.14
  5. Step 5: Solve for x
    x = 129,888,172,802,935.14/13,173,889
  6. Step 6: Final answer
    x = 9,859,516.26

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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.