Home / 12,073,345.20-18,110,892.60-7,270,693.20

Finding the Fourth Proportional to 12,073,345.20, 18,110,892.60 and 7,270,693.20

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Solution

The fourth proportional to 12,073,345.20, 18,110,892.60 and 7,270,693.20 is: 10,906,566.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073,345.20 : 18,110,892.60 = 7,270,693.20 : x
  2. Step 2: Convert to fraction form
    12,073,345.20/18,110,892.60 = 7,270,693.20/x
  3. Step 3: Cross multiply
    12,073,345.20x = 18,110,892.60 × 7,270,693.20
  4. Step 4: Simplify right side
    12,073,345.20x = 131,678,743,672,750.33
  5. Step 5: Solve for x
    x = 131,678,743,672,750.33/12,073,345.20
  6. Step 6: Final answer
    x = 10,906,566.61

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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.