Home / 15,693,988.30-23,540,982.45-8,123,274.70

Finding the Fourth Proportional to 15,693,988.30, 23,540,982.45 and 8,123,274.70

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Solution

The fourth proportional to 15,693,988.30, 23,540,982.45 and 8,123,274.70 is: 12,184,912.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,693,988.30 : 23,540,982.45 = 8,123,274.70 : x
  2. Step 2: Convert to fraction form
    15,693,988.30/23,540,982.45 = 8,123,274.70/x
  3. Step 3: Cross multiply
    15,693,988.30x = 23,540,982.45 × 8,123,274.70
  4. Step 4: Simplify right side
    15,693,988.30x = 191,229,867,149,229
  5. Step 5: Solve for x
    x = 191,229,867,149,229/15,693,988.30
  6. Step 6: Final answer
    x = 12,184,912.05

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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.