Home / 20,072,237.80-27,699,540.42-10,904,955.88

Finding the Fourth Proportional to 20,072,237.80, 27,699,540.42 and 10,904,955.88

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Solution

The fourth proportional to 20,072,237.80, 27,699,540.42 and 10,904,955.88 is: 15,048,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072,237.80 : 27,699,540.42 = 10,904,955.88 : x
  2. Step 2: Convert to fraction form
    20,072,237.80/27,699,540.42 = 10,904,955.88/x
  3. Step 3: Cross multiply
    20,072,237.80x = 27,699,540.42 × 10,904,955.88
  4. Step 4: Simplify right side
    20,072,237.80x = 302,062,266,176,376.69
  5. Step 5: Solve for x
    x = 302,062,266,176,376.69/20,072,237.80
  6. Step 6: Final answer
    x = 15,048,758.85

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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.