Home / 20,001,907.80-30,002,861.70-13,837,192.20

Finding the Fourth Proportional to 20,001,907.80, 30,002,861.70 and 13,837,192.20

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Solution

The fourth proportional to 20,001,907.80, 30,002,861.70 and 13,837,192.20 is: 20,755,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001,907.80 : 30,002,861.70 = 13,837,192.20 : x
  2. Step 2: Convert to fraction form
    20,001,907.80/30,002,861.70 = 13,837,192.20/x
  3. Step 3: Cross multiply
    20,001,907.80x = 30,002,861.70 × 13,837,192.20
  4. Step 4: Simplify right side
    20,001,907.80x = 415,155,363,892,918.69
  5. Step 5: Solve for x
    x = 415,155,363,892,918.69/20,001,907.80
  6. Step 6: Final answer
    x = 20,755,788.30

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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.