Home / 12,407,481.90-17,122,025.70-6,900,840.36

Finding the Fourth Proportional to 12,407,481.90, 17,122,025.70 and 6,900,840.36

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Solution

The fourth proportional to 12,407,481.90, 17,122,025.70 and 6,900,840.36 is: 9,522,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,407,481.90 : 17,122,025.70 = 6,900,840.36 : x
  2. Step 2: Convert to fraction form
    12,407,481.90/17,122,025.70 = 6,900,840.36/x
  3. Step 3: Cross multiply
    12,407,481.90x = 17,122,025.70 × 6,900,840.36
  4. Step 4: Simplify right side
    12,407,481.90x = 118,156,365,995,517.25
  5. Step 5: Solve for x
    x = 118,156,365,995,517.25/12,407,481.90
  6. Step 6: Final answer
    x = 9,522,993.22

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1.5x scale

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.