Home / 20,253,612.70-30,377,144.49-7,480,133.02

Finding the Fourth Proportional to 20,253,612.70, 30,377,144.49 and 7,480,133.02

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Solution

The fourth proportional to 20,253,612.70, 30,377,144.49 and 7,480,133.02 is: 11,218,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253,612.70 : 30,377,144.49 = 7,480,133.02 : x
  2. Step 2: Convert to fraction form
    20,253,612.70/30,377,144.49 = 7,480,133.02/x
  3. Step 3: Cross multiply
    20,253,612.70x = 30,377,144.49 × 7,480,133.02
  4. Step 4: Simplify right side
    20,253,612.70x = 227,225,081,552,960.03
  5. Step 5: Solve for x
    x = 227,225,081,552,960.03/20,253,612.70
  6. Step 6: Final answer
    x = 11,218,990.16

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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.