Home / 28,611,713.60-42,920,194.80-9,442,512.80

Finding the Fourth Proportional to 28,611,713.60, 42,920,194.80 and 9,442,512.80

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Solution

The fourth proportional to 28,611,713.60, 42,920,194.80 and 9,442,512.80 is: 14,164,635.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,611,713.60 : 42,920,194.80 = 9,442,512.80 : x
  2. Step 2: Convert to fraction form
    28,611,713.60/42,920,194.80 = 9,442,512.80/x
  3. Step 3: Cross multiply
    28,611,713.60x = 42,920,194.80 × 9,442,512.80
  4. Step 4: Simplify right side
    28,611,713.60x = 405,274,488,777,493.44
  5. Step 5: Solve for x
    x = 405,274,488,777,493.44/28,611,713.60
  6. Step 6: Final answer
    x = 14,164,635.31

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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.