Home / 19,836,630.46-29,766,425.28-8,321,066.38

Finding the Fourth Proportional to 19,836,630.46, 29,766,425.28 and 8,321,066.38

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Solution

The fourth proportional to 19,836,630.46, 29,766,425.28 and 8,321,066.38 is: 12,486,415.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836,630.46 : 29,766,425.28 = 8,321,066.38 : x
  2. Step 2: Convert to fraction form
    19,836,630.46/29,766,425.28 = 8,321,066.38/x
  3. Step 3: Cross multiply
    19,836,630.46x = 29,766,425.28 × 8,321,066.38
  4. Step 4: Simplify right side
    19,836,630.46x = 247,688,400,650,190.09
  5. Step 5: Solve for x
    x = 247,688,400,650,190.09/19,836,630.46
  6. Step 6: Final answer
    x = 12,486,415.03

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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.