Home / 29,198,755.64-40,280,889.66-18,888,803.48

Finding the Fourth Proportional to 29,198,755.64, 40,280,889.66 and 18,888,803.48

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Solution

The fourth proportional to 29,198,755.64, 40,280,889.66 and 18,888,803.48 is: 26,057,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,198,755.64 : 40,280,889.66 = 18,888,803.48 : x
  2. Step 2: Convert to fraction form
    29,198,755.64/40,280,889.66 = 18,888,803.48/x
  3. Step 3: Cross multiply
    29,198,755.64x = 40,280,889.66 × 18,888,803.48
  4. Step 4: Simplify right side
    29,198,755.64x = 760,857,808,787,304
  5. Step 5: Solve for x
    x = 760,857,808,787,304/29,198,755.64
  6. Step 6: Final answer
    x = 26,057,884.73

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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.