Home / 20,229,233.40-30,343,850.10-20,103,262.20

Finding the Fourth Proportional to 20,229,233.40, 30,343,850.10 and 20,103,262.20

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Solution

The fourth proportional to 20,229,233.40, 30,343,850.10 and 20,103,262.20 is: 30,154,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,233.40 : 30,343,850.10 = 20,103,262.20 : x
  2. Step 2: Convert to fraction form
    20,229,233.40/30,343,850.10 = 20,103,262.20/x
  3. Step 3: Cross multiply
    20,229,233.40x = 30,343,850.10 × 20,103,262.20
  4. Step 4: Simplify right side
    20,229,233.40x = 610,010,374,717,796.25
  5. Step 5: Solve for x
    x = 610,010,374,717,796.25/20,229,233.40
  6. Step 6: Final answer
    x = 30,154,893.30

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1.5x scale

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.