Home / 5,278,912.10-7,934,114.55-5,184,433.70

Finding the Fourth Proportional to 5,278,912.10, 7,934,114.55 and 5,184,433.70

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Solution

The fourth proportional to 5,278,912.10, 7,934,114.55 and 5,184,433.70 is: 7,792,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278,912.10 : 7,934,114.55 = 5,184,433.70 : x
  2. Step 2: Convert to fraction form
    5,278,912.10/7,934,114.55 = 5,184,433.70/x
  3. Step 3: Cross multiply
    5,278,912.10x = 7,934,114.55 × 5,184,433.70
  4. Step 4: Simplify right side
    5,278,912.10x = 41,133,890,852,680.34
  5. Step 5: Solve for x
    x = 41,133,890,852,680.34/5,278,912.10
  6. Step 6: Final answer
    x = 7,792,115.13

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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.