Home / 7,780,439.46-11,669,625.60-2,315,436.28

Finding the Fourth Proportional to 7,780,439.46, 11,669,625.60 and 2,315,436.28

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Solution

The fourth proportional to 7,780,439.46, 11,669,625.60 and 2,315,436.28 is: 3,472,846.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780,439.46 : 11,669,625.60 = 2,315,436.28 : x
  2. Step 2: Convert to fraction form
    7,780,439.46/11,669,625.60 = 2,315,436.28/x
  3. Step 3: Cross multiply
    7,780,439.46x = 11,669,625.60 × 2,315,436.28
  4. Step 4: Simplify right side
    7,780,439.46x = 27,020,274,529,065.79
  5. Step 5: Solve for x
    x = 27,020,274,529,065.79/7,780,439.46
  6. Step 6: Final answer
    x = 3,472,846.83

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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.