Home / 37,902,719.12-52,305,752.43-20,499,064.38

Finding the Fourth Proportional to 37,902,719.12, 52,305,752.43 and 20,499,064.38

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Solution

The fourth proportional to 37,902,719.12, 52,305,752.43 and 20,499,064.38 is: 28,288,708.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,902,719.12 : 52,305,752.43 = 20,499,064.38 : x
  2. Step 2: Convert to fraction form
    37,902,719.12/52,305,752.43 = 20,499,064.38/x
  3. Step 3: Cross multiply
    37,902,719.12x = 52,305,752.43 × 20,499,064.38
  4. Step 4: Simplify right side
    37,902,719.12x = 1,072,218,986,506,911.38
  5. Step 5: Solve for x
    x = 1,072,218,986,506,911.38/37,902,719.12
  6. Step 6: Final answer
    x = 28,288,708.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.