Home / 11,207,719.80-16,811,579.70-7,381,344.60

Finding the Fourth Proportional to 11,207,719.80, 16,811,579.70 and 7,381,344.60

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Solution

The fourth proportional to 11,207,719.80, 16,811,579.70 and 7,381,344.60 is: 11,072,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207,719.80 : 16,811,579.70 = 7,381,344.60 : x
  2. Step 2: Convert to fraction form
    11,207,719.80/16,811,579.70 = 7,381,344.60/x
  3. Step 3: Cross multiply
    11,207,719.80x = 16,811,579.70 × 7,381,344.60
  4. Step 4: Simplify right side
    11,207,719.80x = 124,092,063,036,064.61
  5. Step 5: Solve for x
    x = 124,092,063,036,064.61/11,207,719.80
  6. Step 6: Final answer
    x = 11,072,016.90

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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.