Home / 13,167,148.59-18,170,691.73-7,366,027.21

Finding the Fourth Proportional to 13,167,148.59, 18,170,691.73 and 7,366,027.21

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Solution

The fourth proportional to 13,167,148.59, 18,170,691.73 and 7,366,027.21 is: 10,165,132.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167,148.59 : 18,170,691.73 = 7,366,027.21 : x
  2. Step 2: Convert to fraction form
    13,167,148.59/18,170,691.73 = 7,366,027.21/x
  3. Step 3: Cross multiply
    13,167,148.59x = 18,170,691.73 × 7,366,027.21
  4. Step 4: Simplify right side
    13,167,148.59x = 133,845,809,643,860.16
  5. Step 5: Solve for x
    x = 133,845,809,643,860.16/13,167,148.59
  6. Step 6: Final answer
    x = 10,165,132.47

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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.