Home / 28,928,418.34-39,918,578.88-17,165,659.90

Finding the Fourth Proportional to 28,928,418.34, 39,918,578.88 and 17,165,659.90

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Solution

The fourth proportional to 28,928,418.34, 39,918,578.88 and 17,165,659.90 is: 23,687,045.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928,418.34 : 39,918,578.88 = 17,165,659.90 : x
  2. Step 2: Convert to fraction form
    28,928,418.34/39,918,578.88 = 17,165,659.90/x
  3. Step 3: Cross multiply
    28,928,418.34x = 39,918,578.88 × 17,165,659.90
  4. Step 4: Simplify right side
    28,928,418.34x = 685,228,748,745,402.88
  5. Step 5: Solve for x
    x = 685,228,748,745,402.88/28,928,418.34
  6. Step 6: Final answer
    x = 23,687,045.06

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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.