Home / 19,989,561.41-27,585,777.25-11,729,761.34

Finding the Fourth Proportional to 19,989,561.41, 27,585,777.25 and 11,729,761.34

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Solution

The fourth proportional to 19,989,561.41, 27,585,777.25 and 11,729,761.34 is: 16,187,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989,561.41 : 27,585,777.25 = 11,729,761.34 : x
  2. Step 2: Convert to fraction form
    19,989,561.41/27,585,777.25 = 11,729,761.34/x
  3. Step 3: Cross multiply
    19,989,561.41x = 27,585,777.25 × 11,729,761.34
  4. Step 4: Simplify right side
    19,989,561.41x = 323,574,583,397,634.81
  5. Step 5: Solve for x
    x = 323,574,583,397,634.81/19,989,561.41
  6. Step 6: Final answer
    x = 16,187,177.74

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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.