Home / 36,378,371.20-54,575,138.40-12,124,832.80

Finding the Fourth Proportional to 36,378,371.20, 54,575,138.40 and 12,124,832.80

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Solution

The fourth proportional to 36,378,371.20, 54,575,138.40 and 12,124,832.80 is: 18,189,776.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,378,371.20 : 54,575,138.40 = 12,124,832.80 : x
  2. Step 2: Convert to fraction form
    36,378,371.20/54,575,138.40 = 12,124,832.80/x
  3. Step 3: Cross multiply
    36,378,371.20x = 54,575,138.40 × 12,124,832.80
  4. Step 4: Simplify right side
    36,378,371.20x = 661,714,428,136,859.50
  5. Step 5: Solve for x
    x = 661,714,428,136,859.50/36,378,371.20
  6. Step 6: Final answer
    x = 18,189,776.13

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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.