Home / 20,057,008.20-30,085,512.30-4,910,939.70

Finding the Fourth Proportional to 20,057,008.20, 30,085,512.30 and 4,910,939.70

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Solution

The fourth proportional to 20,057,008.20, 30,085,512.30 and 4,910,939.70 is: 7,366,409.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057,008.20 : 30,085,512.30 = 4,910,939.70 : x
  2. Step 2: Convert to fraction form
    20,057,008.20/30,085,512.30 = 4,910,939.70/x
  3. Step 3: Cross multiply
    20,057,008.20x = 30,085,512.30 × 4,910,939.70
  4. Step 4: Simplify right side
    20,057,008.20x = 147,748,136,748,908.31
  5. Step 5: Solve for x
    x = 147,748,136,748,908.31/20,057,008.20
  6. Step 6: Final answer
    x = 7,366,409.55

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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.