Home / 20,512,228.70-30,771,107.85-7,053,182.30

Finding the Fourth Proportional to 20,512,228.70, 30,771,107.85 and 7,053,182.30

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Solution

The fourth proportional to 20,512,228.70, 30,771,107.85 and 7,053,182.30 is: 10,580,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,512,228.70 : 30,771,107.85 = 7,053,182.30 : x
  2. Step 2: Convert to fraction form
    20,512,228.70/30,771,107.85 = 7,053,182.30/x
  3. Step 3: Cross multiply
    20,512,228.70x = 30,771,107.85 × 7,053,182.30
  4. Step 4: Simplify right side
    20,512,228.70x = 217,034,233,239,011.06
  5. Step 5: Solve for x
    x = 217,034,233,239,011.06/20,512,228.70
  6. Step 6: Final answer
    x = 10,580,724.13

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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.