Home / 28,945,599.28-39,944,957.16-17,187,214.48

Finding the Fourth Proportional to 28,945,599.28, 39,944,957.16 and 17,187,214.48

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Solution

The fourth proportional to 28,945,599.28, 39,944,957.16 and 17,187,214.48 is: 23,718,373.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,945,599.28 : 39,944,957.16 = 17,187,214.48 : x
  2. Step 2: Convert to fraction form
    28,945,599.28/39,944,957.16 = 17,187,214.48/x
  3. Step 3: Cross multiply
    28,945,599.28x = 39,944,957.16 × 17,187,214.48
  4. Step 4: Simplify right side
    28,945,599.28x = 686,542,546,103,331.62
  5. Step 5: Solve for x
    x = 686,542,546,103,331.62/28,945,599.28
  6. Step 6: Final answer
    x = 23,718,373.89

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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.