Home / 10,515,919.50-14,512,012.65-5,687,023.50

Finding the Fourth Proportional to 10,515,919.50, 14,512,012.65 and 5,687,023.50

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Solution

The fourth proportional to 10,515,919.50, 14,512,012.65 and 5,687,023.50 is: 7,848,116.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515,919.50 : 14,512,012.65 = 5,687,023.50 : x
  2. Step 2: Convert to fraction form
    10,515,919.50/14,512,012.65 = 5,687,023.50/x
  3. Step 3: Cross multiply
    10,515,919.50x = 14,512,012.65 × 5,687,023.50
  4. Step 4: Simplify right side
    10,515,919.50x = 82,530,156,972,847.28
  5. Step 5: Solve for x
    x = 82,530,156,972,847.28/10,515,919.50
  6. Step 6: Final answer
    x = 7,848,116.08

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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.