Home / 11,208,010.20-16,812,015.30-10,198,272.30

Finding the Fourth Proportional to 11,208,010.20, 16,812,015.30 and 10,198,272.30

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Solution

The fourth proportional to 11,208,010.20, 16,812,015.30 and 10,198,272.30 is: 15,297,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208,010.20 : 16,812,015.30 = 10,198,272.30 : x
  2. Step 2: Convert to fraction form
    11,208,010.20/16,812,015.30 = 10,198,272.30/x
  3. Step 3: Cross multiply
    11,208,010.20x = 16,812,015.30 × 10,198,272.30
  4. Step 4: Simplify right side
    11,208,010.20x = 171,453,509,941,166.22
  5. Step 5: Solve for x
    x = 171,453,509,941,166.22/11,208,010.20
  6. Step 6: Final answer
    x = 15,297,408.45

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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.