Home / 7,100,626.20-10,650,939.30-5,421,010.20

Finding the Fourth Proportional to 7,100,626.20, 10,650,939.30 and 5,421,010.20

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Solution

The fourth proportional to 7,100,626.20, 10,650,939.30 and 5,421,010.20 is: 8,131,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100,626.20 : 10,650,939.30 = 5,421,010.20 : x
  2. Step 2: Convert to fraction form
    7,100,626.20/10,650,939.30 = 5,421,010.20/x
  3. Step 3: Cross multiply
    7,100,626.20x = 10,650,939.30 × 5,421,010.20
  4. Step 4: Simplify right side
    7,100,626.20x = 57,738,850,584,880.87
  5. Step 5: Solve for x
    x = 57,738,850,584,880.87/7,100,626.20
  6. Step 6: Final answer
    x = 8,131,515.30

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Double scale
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Similar ratio
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1.5x scale

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.