Home / 31,034,976.40-42,833,479.08-17,990,395.12

Finding the Fourth Proportional to 31,034,976.40, 42,833,479.08 and 17,990,395.12

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Solution

The fourth proportional to 31,034,976.40, 42,833,479.08 and 17,990,395.12 is: 24,829,766.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,034,976.40 : 42,833,479.08 = 17,990,395.12 : x
  2. Step 2: Convert to fraction form
    31,034,976.40/42,833,479.08 = 17,990,395.12/x
  3. Step 3: Cross multiply
    31,034,976.40x = 42,833,479.08 × 17,990,395.12
  4. Step 4: Simplify right side
    31,034,976.40x = 770,591,213,013,454.12
  5. Step 5: Solve for x
    x = 770,591,213,013,454.12/31,034,976.40
  6. Step 6: Final answer
    x = 24,829,766.36

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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.