Home / 13,177,665.60-19,728,007.20-9,398,529.60

Finding the Fourth Proportional to 13,177,665.60, 19,728,007.20 and 9,398,529.60

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Solution

The fourth proportional to 13,177,665.60, 19,728,007.20 and 9,398,529.60 is: 14,070,341.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177,665.60 : 19,728,007.20 = 9,398,529.60 : x
  2. Step 2: Convert to fraction form
    13,177,665.60/19,728,007.20 = 9,398,529.60/x
  3. Step 3: Cross multiply
    13,177,665.60x = 19,728,007.20 × 9,398,529.60
  4. Step 4: Simplify right side
    13,177,665.60x = 185,414,259,618,213.09
  5. Step 5: Solve for x
    x = 185,414,259,618,213.09/13,177,665.60
  6. Step 6: Final answer
    x = 14,070,341.84

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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.