Home / 20,227,644-30,341,495.16-8,260,380

Finding the Fourth Proportional to 20,227,644, 30,341,495.16 and 8,260,380

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Solution

The fourth proportional to 20,227,644, 30,341,495.16 and 8,260,380 is: 12,390,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,644 : 30,341,495.16 = 8,260,380 : x
  2. Step 2: Convert to fraction form
    20,227,644/30,341,495.16 = 8,260,380/x
  3. Step 3: Cross multiply
    20,227,644x = 30,341,495.16 × 8,260,380
  4. Step 4: Simplify right side
    20,227,644x = 250,632,279,789,760.81
  5. Step 5: Solve for x
    x = 250,632,279,789,760.81/20,227,644
  6. Step 6: Final answer
    x = 12,390,581.91

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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.