Home / 11,154,390.80-16,731,586.20-7,328,015.60

Finding the Fourth Proportional to 11,154,390.80, 16,731,586.20 and 7,328,015.60

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Solution

The fourth proportional to 11,154,390.80, 16,731,586.20 and 7,328,015.60 is: 10,992,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154,390.80 : 16,731,586.20 = 7,328,015.60 : x
  2. Step 2: Convert to fraction form
    11,154,390.80/16,731,586.20 = 7,328,015.60/x
  3. Step 3: Cross multiply
    11,154,390.80x = 16,731,586.20 × 7,328,015.60
  4. Step 4: Simplify right side
    11,154,390.80x = 122,609,324,686,344.70
  5. Step 5: Solve for x
    x = 122,609,324,686,344.70/11,154,390.80
  6. Step 6: Final answer
    x = 10,992,023.40

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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.