Home / 31,480,620.12-43,463,314.28-25,693,206.84

Finding the Fourth Proportional to 31,480,620.12, 43,463,314.28 and 25,693,206.84

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Solution

The fourth proportional to 31,480,620.12, 43,463,314.28 and 25,693,206.84 is: 35,472,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,480,620.12 : 43,463,314.28 = 25,693,206.84 : x
  2. Step 2: Convert to fraction form
    31,480,620.12/43,463,314.28 = 25,693,206.84/x
  3. Step 3: Cross multiply
    31,480,620.12x = 43,463,314.28 × 25,693,206.84
  4. Step 4: Simplify right side
    31,480,620.12x = 1,116,711,923,747,965.75
  5. Step 5: Solve for x
    x = 1,116,711,923,747,965.75/31,480,620.12
  6. Step 6: Final answer
    x = 35,472,996.39

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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.