Home / 38,389,399.38-52,977,723.64-21,869,279.10

Finding the Fourth Proportional to 38,389,399.38, 52,977,723.64 and 21,869,279.10

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Solution

The fourth proportional to 38,389,399.38, 52,977,723.64 and 21,869,279.10 is: 30,179,805.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,389,399.38 : 52,977,723.64 = 21,869,279.10 : x
  2. Step 2: Convert to fraction form
    38,389,399.38/52,977,723.64 = 21,869,279.10/x
  3. Step 3: Cross multiply
    38,389,399.38x = 52,977,723.64 × 21,869,279.10
  4. Step 4: Simplify right side
    38,389,399.38x = 1,158,584,624,365,828
  5. Step 5: Solve for x
    x = 1,158,584,624,365,828/38,389,399.38
  6. Step 6: Final answer
    x = 30,179,805.96

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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.