Home / 31,408,939.68-47,126,393.01-13,892,287.11

Finding the Fourth Proportional to 31,408,939.68, 47,126,393.01 and 13,892,287.11

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Solution

The fourth proportional to 31,408,939.68, 47,126,393.01 and 13,892,287.11 is: 20,844,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408,939.68 : 47,126,393.01 = 13,892,287.11 : x
  2. Step 2: Convert to fraction form
    31,408,939.68/47,126,393.01 = 13,892,287.11/x
  3. Step 3: Cross multiply
    31,408,939.68x = 47,126,393.01 × 13,892,287.11
  4. Step 4: Simplify right side
    31,408,939.68x = 654,693,382,153,617
  5. Step 5: Solve for x
    x = 654,693,382,153,617/31,408,939.68
  6. Step 6: Final answer
    x = 20,844,173.31

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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.