Home / 26,949,764.20-40,424,646.30-7,781,146.60

Finding the Fourth Proportional to 26,949,764.20, 40,424,646.30 and 7,781,146.60

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Solution

The fourth proportional to 26,949,764.20, 40,424,646.30 and 7,781,146.60 is: 11,671,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,949,764.20 : 40,424,646.30 = 7,781,146.60 : x
  2. Step 2: Convert to fraction form
    26,949,764.20/40,424,646.30 = 7,781,146.60/x
  3. Step 3: Cross multiply
    26,949,764.20x = 40,424,646.30 × 7,781,146.60
  4. Step 4: Simplify right side
    26,949,764.20x = 314,550,099,113,447.56
  5. Step 5: Solve for x
    x = 314,550,099,113,447.56/26,949,764.20
  6. Step 6: Final answer
    x = 11,671,719.90

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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.