Home / 20,914,581.93-28,862,990.78-11,622,117.30

Finding the Fourth Proportional to 20,914,581.93, 28,862,990.78 and 11,622,117.30

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Solution

The fourth proportional to 20,914,581.93, 28,862,990.78 and 11,622,117.30 is: 16,039,004.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914,581.93 : 28,862,990.78 = 11,622,117.30 : x
  2. Step 2: Convert to fraction form
    20,914,581.93/28,862,990.78 = 11,622,117.30/x
  3. Step 3: Cross multiply
    20,914,581.93x = 28,862,990.78 × 11,622,117.30
  4. Step 4: Simplify right side
    20,914,581.93x = 335,449,064,415,867.94
  5. Step 5: Solve for x
    x = 335,449,064,415,867.94/20,914,581.93
  6. Step 6: Final answer
    x = 16,039,004.06

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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.