Home / 28,125,390.59-38,819,109.87-17,115,687.56

Finding the Fourth Proportional to 28,125,390.59, 38,819,109.87 and 17,115,687.56

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Solution

The fourth proportional to 28,125,390.59, 38,819,109.87 and 17,115,687.56 is: 23,623,343.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,125,390.59 : 38,819,109.87 = 17,115,687.56 : x
  2. Step 2: Convert to fraction form
    28,125,390.59/38,819,109.87 = 17,115,687.56/x
  3. Step 3: Cross multiply
    28,125,390.59x = 38,819,109.87 × 17,115,687.56
  4. Step 4: Simplify right side
    28,125,390.59x = 664,415,755,880,081.75
  5. Step 5: Solve for x
    x = 664,415,755,880,081.75/28,125,390.59
  6. Step 6: Final answer
    x = 23,623,343.24

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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.