Home / 20,001,832.80-30,002,749.20-13,837,117.20

Finding the Fourth Proportional to 20,001,832.80, 30,002,749.20 and 13,837,117.20

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Solution

The fourth proportional to 20,001,832.80, 30,002,749.20 and 13,837,117.20 is: 20,755,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001,832.80 : 30,002,749.20 = 13,837,117.20 : x
  2. Step 2: Convert to fraction form
    20,001,832.80/30,002,749.20 = 13,837,117.20/x
  3. Step 3: Cross multiply
    20,001,832.80x = 30,002,749.20 × 13,837,117.20
  4. Step 4: Simplify right side
    20,001,832.80x = 415,151,557,002,606.19
  5. Step 5: Solve for x
    x = 415,151,557,002,606.19/20,001,832.80
  6. Step 6: Final answer
    x = 20,755,675.80

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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.