Home / 28,928,418.47-39,918,579.05-17,165,660.03

Finding the Fourth Proportional to 28,928,418.47, 39,918,579.05 and 17,165,660.03

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Solution

The fourth proportional to 28,928,418.47, 39,918,579.05 and 17,165,660.03 is: 23,687,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928,418.47 : 39,918,579.05 = 17,165,660.03 : x
  2. Step 2: Convert to fraction form
    28,928,418.47/39,918,579.05 = 17,165,660.03/x
  3. Step 3: Cross multiply
    28,928,418.47x = 39,918,579.05 × 17,165,660.03
  4. Step 4: Simplify right side
    28,928,418.47x = 685,228,756,696,301.62
  5. Step 5: Solve for x
    x = 685,228,756,696,301.62/28,928,418.47
  6. Step 6: Final answer
    x = 23,687,045.23

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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.