Home / 23,106,954.36-31,887,932.94-13,311,993.72

Finding the Fourth Proportional to 23,106,954.36, 31,887,932.94 and 13,311,993.72

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Solution

The fourth proportional to 23,106,954.36, 31,887,932.94 and 13,311,993.72 is: 18,370,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,106,954.36 : 31,887,932.94 = 13,311,993.72 : x
  2. Step 2: Convert to fraction form
    23,106,954.36/31,887,932.94 = 13,311,993.72/x
  3. Step 3: Cross multiply
    23,106,954.36x = 31,887,932.94 × 13,311,993.72
  4. Step 4: Simplify right side
    23,106,954.36x = 424,491,963,041,061.19
  5. Step 5: Solve for x
    x = 424,491,963,041,061.19/23,106,954.36
  6. Step 6: Final answer
    x = 18,370,744.86

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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.