Home / 26,685,155.68-40,030,972.64-7,515,912.76

Finding the Fourth Proportional to 26,685,155.68, 40,030,972.64 and 7,515,912.76

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Solution

The fourth proportional to 26,685,155.68, 40,030,972.64 and 7,515,912.76 is: 11,274,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,685,155.68 : 40,030,972.64 = 7,515,912.76 : x
  2. Step 2: Convert to fraction form
    26,685,155.68/40,030,972.64 = 7,515,912.76/x
  3. Step 3: Cross multiply
    26,685,155.68x = 40,030,972.64 × 7,515,912.76
  4. Step 4: Simplify right side
    26,685,155.68x = 300,869,298,060,186.88
  5. Step 5: Solve for x
    x = 300,869,298,060,186.88/26,685,155.68
  6. Step 6: Final answer
    x = 11,274,781.44

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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.