Home / 20,227,319.40-30,340,979.10-19,891,396.20

Finding the Fourth Proportional to 20,227,319.40, 30,340,979.10 and 19,891,396.20

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Solution

The fourth proportional to 20,227,319.40, 30,340,979.10 and 19,891,396.20 is: 29,837,094.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,319.40 : 30,340,979.10 = 19,891,396.20 : x
  2. Step 2: Convert to fraction form
    20,227,319.40/30,340,979.10 = 19,891,396.20/x
  3. Step 3: Cross multiply
    20,227,319.40x = 30,340,979.10 × 19,891,396.20
  4. Step 4: Simplify right side
    20,227,319.40x = 603,524,436,374,019.38
  5. Step 5: Solve for x
    x = 603,524,436,374,019.38/20,227,319.40
  6. Step 6: Final answer
    x = 29,837,094.30

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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.