Home / 20,227,320.40-30,340,980.60-19,891,397.20

Finding the Fourth Proportional to 20,227,320.40, 30,340,980.60 and 19,891,397.20

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Solution

The fourth proportional to 20,227,320.40, 30,340,980.60 and 19,891,397.20 is: 29,837,095.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,320.40 : 30,340,980.60 = 19,891,397.20 : x
  2. Step 2: Convert to fraction form
    20,227,320.40/30,340,980.60 = 19,891,397.20/x
  3. Step 3: Cross multiply
    20,227,320.40x = 30,340,980.60 × 19,891,397.20
  4. Step 4: Simplify right side
    20,227,320.40x = 603,524,496,552,094.38
  5. Step 5: Solve for x
    x = 603,524,496,552,094.38/20,227,320.40
  6. Step 6: Final answer
    x = 29,837,095.80

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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.