Home / 18,591,776.40-27,887,664.60-12,852,213.60

Finding the Fourth Proportional to 18,591,776.40, 27,887,664.60 and 12,852,213.60

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Solution

The fourth proportional to 18,591,776.40, 27,887,664.60 and 12,852,213.60 is: 19,278,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591,776.40 : 27,887,664.60 = 12,852,213.60 : x
  2. Step 2: Convert to fraction form
    18,591,776.40/27,887,664.60 = 12,852,213.60/x
  3. Step 3: Cross multiply
    18,591,776.40x = 27,887,664.60 × 12,852,213.60
  4. Step 4: Simplify right side
    18,591,776.40x = 358,418,222,244,358.56
  5. Step 5: Solve for x
    x = 358,418,222,244,358.56/18,591,776.40
  6. Step 6: Final answer
    x = 19,278,320.40

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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.