Home / 13,167,150.47-18,170,694.32-7,366,029.08

Finding the Fourth Proportional to 13,167,150.47, 18,170,694.32 and 7,366,029.08

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Solution

The fourth proportional to 13,167,150.47, 18,170,694.32 and 7,366,029.08 is: 10,165,135.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167,150.47 : 18,170,694.32 = 7,366,029.08 : x
  2. Step 2: Convert to fraction form
    13,167,150.47/18,170,694.32 = 7,366,029.08/x
  3. Step 3: Cross multiply
    13,167,150.47x = 18,170,694.32 × 7,366,029.08
  4. Step 4: Simplify right side
    13,167,150.47x = 133,845,862,773,507.42
  5. Step 5: Solve for x
    x = 133,845,862,773,507.42/13,167,150.47
  6. Step 6: Final answer
    x = 10,165,135.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.