Home / 54,002,729.80-81,004,094.70-13,613,213.80

Finding the Fourth Proportional to 54,002,729.80, 81,004,094.70 and 13,613,213.80

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Solution

The fourth proportional to 54,002,729.80, 81,004,094.70 and 13,613,213.80 is: 20,419,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,002,729.80 : 81,004,094.70 = 13,613,213.80 : x
  2. Step 2: Convert to fraction form
    54,002,729.80/81,004,094.70 = 13,613,213.80/x
  3. Step 3: Cross multiply
    54,002,729.80x = 81,004,094.70 × 13,613,213.80
  4. Step 4: Simplify right side
    54,002,729.80x = 1,102,726,059,826,547
  5. Step 5: Solve for x
    x = 1,102,726,059,826,547/54,002,729.80
  6. Step 6: Final answer
    x = 20,419,820.70

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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.