Home / 8,086,728.10-12,096,914.55-7,290,465.70

Finding the Fourth Proportional to 8,086,728.10, 12,096,914.55 and 7,290,465.70

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Solution

The fourth proportional to 8,086,728.10, 12,096,914.55 and 7,290,465.70 is: 10,905,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086,728.10 : 12,096,914.55 = 7,290,465.70 : x
  2. Step 2: Convert to fraction form
    8,086,728.10/12,096,914.55 = 7,290,465.70/x
  3. Step 3: Cross multiply
    8,086,728.10x = 12,096,914.55 × 7,290,465.70
  4. Step 4: Simplify right side
    8,086,728.10x = 88,192,140,602,605.94
  5. Step 5: Solve for x
    x = 88,192,140,602,605.94/8,086,728.10
  6. Step 6: Final answer
    x = 10,905,787.79

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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.