Home / 10,512,010.20-15,768,015.30-4,528,378.20

Finding the Fourth Proportional to 10,512,010.20, 15,768,015.30 and 4,528,378.20

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Solution

The fourth proportional to 10,512,010.20, 15,768,015.30 and 4,528,378.20 is: 6,792,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512,010.20 : 15,768,015.30 = 4,528,378.20 : x
  2. Step 2: Convert to fraction form
    10,512,010.20/15,768,015.30 = 4,528,378.20/x
  3. Step 3: Cross multiply
    10,512,010.20x = 15,768,015.30 × 4,528,378.20
  4. Step 4: Simplify right side
    10,512,010.20x = 71,403,536,741,786.47
  5. Step 5: Solve for x
    x = 71,403,536,741,786.47/10,512,010.20
  6. Step 6: Final answer
    x = 6,792,567.30

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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.