Home / 19,991,179.38-29,986,769.28-4,845,110.88

Finding the Fourth Proportional to 19,991,179.38, 29,986,769.28 and 4,845,110.88

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Solution

The fourth proportional to 19,991,179.38, 29,986,769.28 and 4,845,110.88 is: 7,267,666.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991,179.38 : 29,986,769.28 = 4,845,110.88 : x
  2. Step 2: Convert to fraction form
    19,991,179.38/29,986,769.28 = 4,845,110.88/x
  3. Step 3: Cross multiply
    19,991,179.38x = 29,986,769.28 × 4,845,110.88
  4. Step 4: Simplify right side
    19,991,179.38x = 145,289,222,094,577.78
  5. Step 5: Solve for x
    x = 145,289,222,094,577.78/19,991,179.38
  6. Step 6: Final answer
    x = 7,267,666.37

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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.