Home / 12,771,701.74-19,147,380.29-7,374,229.66

Finding the Fourth Proportional to 12,771,701.74, 19,147,380.29 and 7,374,229.66

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Solution

The fourth proportional to 12,771,701.74, 19,147,380.29 and 7,374,229.66 is: 11,055,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,701.74 : 19,147,380.29 = 7,374,229.66 : x
  2. Step 2: Convert to fraction form
    12,771,701.74/19,147,380.29 = 7,374,229.66/x
  3. Step 3: Cross multiply
    12,771,701.74x = 19,147,380.29 × 7,374,229.66
  4. Step 4: Simplify right side
    12,771,701.74x = 141,197,179,645,817.41
  5. Step 5: Solve for x
    x = 141,197,179,645,817.41/12,771,701.74
  6. Step 6: Final answer
    x = 11,055,471.11

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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.