Home / 31,124,761.46-42,955,813.89-25,888,531.53

Finding the Fourth Proportional to 31,124,761.46, 42,955,813.89 and 25,888,531.53

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Solution

The fourth proportional to 31,124,761.46, 42,955,813.89 and 25,888,531.53 is: 35,729,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,124,761.46 : 42,955,813.89 = 25,888,531.53 : x
  2. Step 2: Convert to fraction form
    31,124,761.46/42,955,813.89 = 25,888,531.53/x
  3. Step 3: Cross multiply
    31,124,761.46x = 42,955,813.89 × 25,888,531.53
  4. Step 4: Simplify right side
    31,124,761.46x = 1,112,062,942,288,077
  5. Step 5: Solve for x
    x = 1,112,062,942,288,077/31,124,761.46
  6. Step 6: Final answer
    x = 35,729,203.70

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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.