Home / 20,143,558.30-30,215,337.45-6,680,386.30

Finding the Fourth Proportional to 20,143,558.30, 30,215,337.45 and 6,680,386.30

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Solution

The fourth proportional to 20,143,558.30, 30,215,337.45 and 6,680,386.30 is: 10,020,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,143,558.30 : 30,215,337.45 = 6,680,386.30 : x
  2. Step 2: Convert to fraction form
    20,143,558.30/30,215,337.45 = 6,680,386.30/x
  3. Step 3: Cross multiply
    20,143,558.30x = 30,215,337.45 × 6,680,386.30
  4. Step 4: Simplify right side
    20,143,558.30x = 201,850,126,350,856.94
  5. Step 5: Solve for x
    x = 201,850,126,350,856.94/20,143,558.30
  6. Step 6: Final answer
    x = 10,020,579.45

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Similar ratio
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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.