Home / 40,868,555.82-61,310,389.40-11,721,174.54

Finding the Fourth Proportional to 40,868,555.82, 61,310,389.40 and 11,721,174.54

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Solution

The fourth proportional to 40,868,555.82, 61,310,389.40 and 11,721,174.54 is: 17,583,928.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,868,555.82 : 61,310,389.40 = 11,721,174.54 : x
  2. Step 2: Convert to fraction form
    40,868,555.82/61,310,389.40 = 11,721,174.54/x
  3. Step 3: Cross multiply
    40,868,555.82x = 61,310,389.40 × 11,721,174.54
  4. Step 4: Simplify right side
    40,868,555.82x = 718,629,775,272,765.75
  5. Step 5: Solve for x
    x = 718,629,775,272,765.75/40,868,555.82
  6. Step 6: Final answer
    x = 17,583,928.79

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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.