Home / 27,534,530.40-38,005,661.88-18,367,151.28

Finding the Fourth Proportional to 27,534,530.40, 38,005,661.88 and 18,367,151.28

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Solution

The fourth proportional to 27,534,530.40, 38,005,661.88 and 18,367,151.28 is: 25,352,011.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,534,530.40 : 38,005,661.88 = 18,367,151.28 : x
  2. Step 2: Convert to fraction form
    27,534,530.40/38,005,661.88 = 18,367,151.28/x
  3. Step 3: Cross multiply
    27,534,530.40x = 38,005,661.88 × 18,367,151.28
  4. Step 4: Simplify right side
    27,534,530.40x = 698,055,741,246,489.25
  5. Step 5: Solve for x
    x = 698,055,741,246,489.25/27,534,530.40
  6. Step 6: Final answer
    x = 25,352,011.86

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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.