Home / 15,407,201.25-21,261,951.29-8,531,535.69

Finding the Fourth Proportional to 15,407,201.25, 21,261,951.29 and 8,531,535.69

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Solution

The fourth proportional to 15,407,201.25, 21,261,951.29 and 8,531,535.69 is: 11,773,526.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407,201.25 : 21,261,951.29 = 8,531,535.69 : x
  2. Step 2: Convert to fraction form
    15,407,201.25/21,261,951.29 = 8,531,535.69/x
  3. Step 3: Cross multiply
    15,407,201.25x = 21,261,951.29 × 8,531,535.69
  4. Step 4: Simplify right side
    15,407,201.25x = 181,397,096,269,676.53
  5. Step 5: Solve for x
    x = 181,397,096,269,676.53/15,407,201.25
  6. Step 6: Final answer
    x = 11,773,526.76

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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.