Home / 20,204,031.42-30,305,959.65-5,057,919.18

Finding the Fourth Proportional to 20,204,031.42, 30,305,959.65 and 5,057,919.18

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Solution

The fourth proportional to 20,204,031.42, 30,305,959.65 and 5,057,919.18 is: 7,586,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204,031.42 : 30,305,959.65 = 5,057,919.18 : x
  2. Step 2: Convert to fraction form
    20,204,031.42/30,305,959.65 = 5,057,919.18/x
  3. Step 3: Cross multiply
    20,204,031.42x = 30,305,959.65 × 5,057,919.18
  4. Step 4: Simplify right side
    20,204,031.42x = 153,285,094,582,041.06
  5. Step 5: Solve for x
    x = 153,285,094,582,041.06/20,204,031.42
  6. Step 6: Final answer
    x = 7,586,856.87

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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.