Home / 26,731,129.57-40,113,561.65-11,378,394.73

Finding the Fourth Proportional to 26,731,129.57, 40,113,561.65 and 11,378,394.73

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Solution

The fourth proportional to 26,731,129.57, 40,113,561.65 and 11,378,394.73 is: 17,074,771.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,731,129.57 : 40,113,561.65 = 11,378,394.73 : x
  2. Step 2: Convert to fraction form
    26,731,129.57/40,113,561.65 = 11,378,394.73/x
  3. Step 3: Cross multiply
    26,731,129.57x = 40,113,561.65 × 11,378,394.73
  4. Step 4: Simplify right side
    26,731,129.57x = 456,427,938,479,890.12
  5. Step 5: Solve for x
    x = 456,427,938,479,890.12/26,731,129.57
  6. Step 6: Final answer
    x = 17,074,771.84

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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.