Home / 26,971,370.20-40,494,380.10-21,298,000.60

Finding the Fourth Proportional to 26,971,370.20, 40,494,380.10 and 21,298,000.60

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Solution

The fourth proportional to 26,971,370.20, 40,494,380.10 and 21,298,000.60 is: 31,976,474.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,971,370.20 : 40,494,380.10 = 21,298,000.60 : x
  2. Step 2: Convert to fraction form
    26,971,370.20/40,494,380.10 = 21,298,000.60/x
  3. Step 3: Cross multiply
    26,971,370.20x = 40,494,380.10 × 21,298,000.60
  4. Step 4: Simplify right side
    26,971,370.20x = 862,449,331,666,428.12
  5. Step 5: Solve for x
    x = 862,449,331,666,428.12/26,971,370.20
  6. Step 6: Final answer
    x = 31,976,474.51

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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.