Home / 10,647,126.60-15,970,689.90-7,245,904.20

Finding the Fourth Proportional to 10,647,126.60, 15,970,689.90 and 7,245,904.20

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Solution

The fourth proportional to 10,647,126.60, 15,970,689.90 and 7,245,904.20 is: 10,868,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,126.60 : 15,970,689.90 = 7,245,904.20 : x
  2. Step 2: Convert to fraction form
    10,647,126.60/15,970,689.90 = 7,245,904.20/x
  3. Step 3: Cross multiply
    10,647,126.60x = 15,970,689.90 × 7,245,904.20
  4. Step 4: Simplify right side
    10,647,126.60x = 115,722,089,023,307.58
  5. Step 5: Solve for x
    x = 115,722,089,023,307.58/10,647,126.60
  6. Step 6: Final answer
    x = 10,868,856.30

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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.