Home / 17,138,387.89-23,650,972.72-9,796,378.68

Finding the Fourth Proportional to 17,138,387.89, 23,650,972.72 and 9,796,378.68

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Solution

The fourth proportional to 17,138,387.89, 23,650,972.72 and 9,796,378.68 is: 13,519,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,138,387.89 : 23,650,972.72 = 9,796,378.68 : x
  2. Step 2: Convert to fraction form
    17,138,387.89/23,650,972.72 = 9,796,378.68/x
  3. Step 3: Cross multiply
    17,138,387.89x = 23,650,972.72 × 9,796,378.68
  4. Step 4: Simplify right side
    17,138,387.89x = 231,693,884,890,978.66
  5. Step 5: Solve for x
    x = 231,693,884,890,978.66/17,138,387.89
  6. Step 6: Final answer
    x = 13,519,001.11

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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.