Home / 30,719,287.26-42,392,185.92-16,780,476.78

Finding the Fourth Proportional to 30,719,287.26, 42,392,185.92 and 16,780,476.78

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Solution

The fourth proportional to 30,719,287.26, 42,392,185.92 and 16,780,476.78 is: 23,156,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,719,287.26 : 42,392,185.92 = 16,780,476.78 : x
  2. Step 2: Convert to fraction form
    30,719,287.26/42,392,185.92 = 16,780,476.78/x
  3. Step 3: Cross multiply
    30,719,287.26x = 42,392,185.92 × 16,780,476.78
  4. Step 4: Simplify right side
    30,719,287.26x = 711,361,091,484,003
  5. Step 5: Solve for x
    x = 711,361,091,484,003/30,719,287.26
  6. Step 6: Final answer
    x = 23,156,822.80

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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.