Home / 7,640,747.10-10,544,172.03-4,202,912.70

Finding the Fourth Proportional to 7,640,747.10, 10,544,172.03 and 4,202,912.70

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Solution

The fourth proportional to 7,640,747.10, 10,544,172.03 and 4,202,912.70 is: 5,799,987.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640,747.10 : 10,544,172.03 = 4,202,912.70 : x
  2. Step 2: Convert to fraction form
    7,640,747.10/10,544,172.03 = 4,202,912.70/x
  3. Step 3: Cross multiply
    7,640,747.10x = 10,544,172.03 × 4,202,912.70
  4. Step 4: Simplify right side
    7,640,747.10x = 44,316,234,535,871.78
  5. Step 5: Solve for x
    x = 44,316,234,535,871.78/7,640,747.10
  6. Step 6: Final answer
    x = 5,799,987.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.