Home / 30,320,109.20-45,482,132.10-15,971,202.20

Finding the Fourth Proportional to 30,320,109.20, 45,482,132.10 and 15,971,202.20

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Solution

The fourth proportional to 30,320,109.20, 45,482,132.10 and 15,971,202.20 is: 23,957,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,320,109.20 : 45,482,132.10 = 15,971,202.20 : x
  2. Step 2: Convert to fraction form
    30,320,109.20/45,482,132.10 = 15,971,202.20/x
  3. Step 3: Cross multiply
    30,320,109.20x = 45,482,132.10 × 15,971,202.20
  4. Step 4: Simplify right side
    30,320,109.20x = 726,404,328,256,210.62
  5. Step 5: Solve for x
    x = 726,404,328,256,210.62/30,320,109.20
  6. Step 6: Final answer
    x = 23,957,840.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.