Home / 31,034,974.40-42,833,476.32-17,990,393.12

Finding the Fourth Proportional to 31,034,974.40, 42,833,476.32 and 17,990,393.12

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Solution

The fourth proportional to 31,034,974.40, 42,833,476.32 and 17,990,393.12 is: 24,829,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,034,974.40 : 42,833,476.32 = 17,990,393.12 : x
  2. Step 2: Convert to fraction form
    31,034,974.40/42,833,476.32 = 17,990,393.12/x
  3. Step 3: Cross multiply
    31,034,974.40x = 42,833,476.32 × 17,990,393.12
  4. Step 4: Simplify right side
    31,034,974.40x = 770,591,077,693,011
  5. Step 5: Solve for x
    x = 770,591,077,693,011/31,034,974.40
  6. Step 6: Final answer
    x = 24,829,763.60

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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.