Home / 30,680,781.15-42,340,376.37-16,743,034.35

Finding the Fourth Proportional to 30,680,781.15, 42,340,376.37 and 16,743,034.35

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Solution

The fourth proportional to 30,680,781.15, 42,340,376.37 and 16,743,034.35 is: 23,105,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680,781.15 : 42,340,376.37 = 16,743,034.35 : x
  2. Step 2: Convert to fraction form
    30,680,781.15/42,340,376.37 = 16,743,034.35/x
  3. Step 3: Cross multiply
    30,680,781.15x = 42,340,376.37 × 16,743,034.35
  4. Step 4: Simplify right side
    30,680,781.15x = 708,906,375,954,838.25
  5. Step 5: Solve for x
    x = 708,906,375,954,838.25/30,680,781.15
  6. Step 6: Final answer
    x = 23,105,877.67

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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.