Home / 38,481,195.55-53,103,393.55-20,839,955.13

Finding the Fourth Proportional to 38,481,195.55, 53,103,393.55 and 20,839,955.13

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Solution

The fourth proportional to 38,481,195.55, 53,103,393.55 and 20,839,955.13 is: 28,758,782.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481,195.55 : 53,103,393.55 = 20,839,955.13 : x
  2. Step 2: Convert to fraction form
    38,481,195.55/53,103,393.55 = 20,839,955.13/x
  3. Step 3: Cross multiply
    38,481,195.55x = 53,103,393.55 × 20,839,955.13
  4. Step 4: Simplify right side
    38,481,195.55x = 1,106,672,338,958,350.38
  5. Step 5: Solve for x
    x = 1,106,672,338,958,350.38/38,481,195.55
  6. Step 6: Final answer
    x = 28,758,782.65

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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.