Home / 12,096,812.20-18,152,812.86-4,908,375.40

Finding the Fourth Proportional to 12,096,812.20, 18,152,812.86 and 4,908,375.40

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Solution

The fourth proportional to 12,096,812.20, 18,152,812.86 and 4,908,375.40 is: 7,365,644.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,812.20 : 18,152,812.86 = 4,908,375.40 : x
  2. Step 2: Convert to fraction form
    12,096,812.20/18,152,812.86 = 4,908,375.40/x
  3. Step 3: Cross multiply
    12,096,812.20x = 18,152,812.86 × 4,908,375.40
  4. Step 4: Simplify right side
    12,096,812.20x = 89,100,820,082,827.64
  5. Step 5: Solve for x
    x = 89,100,820,082,827.64/12,096,812.20
  6. Step 6: Final answer
    x = 7,365,644.65

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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.