Home / 31,507,340.15-47,261,010.23-20,160,600.95

Finding the Fourth Proportional to 31,507,340.15, 47,261,010.23 and 20,160,600.95

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Solution

The fourth proportional to 31,507,340.15, 47,261,010.23 and 20,160,600.95 is: 30,240,901.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507,340.15 : 47,261,010.23 = 20,160,600.95 : x
  2. Step 2: Convert to fraction form
    31,507,340.15/47,261,010.23 = 20,160,600.95/x
  3. Step 3: Cross multiply
    31,507,340.15x = 47,261,010.23 × 20,160,600.95
  4. Step 4: Simplify right side
    31,507,340.15x = 952,810,367,640,094.75
  5. Step 5: Solve for x
    x = 952,810,367,640,094.75/31,507,340.15
  6. Step 6: Final answer
    x = 30,240,901.43

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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.