Home / 15,033,480.29-20,746,202.80-8,157,962.35

Finding the Fourth Proportional to 15,033,480.29, 20,746,202.80 and 8,157,962.35

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Solution

The fourth proportional to 15,033,480.29, 20,746,202.80 and 8,157,962.35 is: 11,257,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033,480.29 : 20,746,202.80 = 8,157,962.35 : x
  2. Step 2: Convert to fraction form
    15,033,480.29/20,746,202.80 = 8,157,962.35/x
  3. Step 3: Cross multiply
    15,033,480.29x = 20,746,202.80 × 8,157,962.35
  4. Step 4: Simplify right side
    15,033,480.29x = 169,246,741,327,469.66
  5. Step 5: Solve for x
    x = 169,246,741,327,469.66/15,033,480.29
  6. Step 6: Final answer
    x = 11,257,988.04

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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.