Home / 26,731,128.57-40,113,560.15-11,378,393.73

Finding the Fourth Proportional to 26,731,128.57, 40,113,560.15 and 11,378,393.73

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Solution

The fourth proportional to 26,731,128.57, 40,113,560.15 and 11,378,393.73 is: 17,074,770.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,731,128.57 : 40,113,560.15 = 11,378,393.73 : x
  2. Step 2: Convert to fraction form
    26,731,128.57/40,113,560.15 = 11,378,393.73/x
  3. Step 3: Cross multiply
    26,731,128.57x = 40,113,560.15 × 11,378,393.73
  4. Step 4: Simplify right side
    26,731,128.57x = 456,427,881,241,845.94
  5. Step 5: Solve for x
    x = 456,427,881,241,845.94/26,731,128.57
  6. Step 6: Final answer
    x = 17,074,770.34

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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.