Home / 18,716,758.75-25,828,651.23-10,456,883.06

Finding the Fourth Proportional to 18,716,758.75, 25,828,651.23 and 10,456,883.06

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Solution

The fourth proportional to 18,716,758.75, 25,828,651.23 and 10,456,883.06 is: 14,430,232.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716,758.75 : 25,828,651.23 = 10,456,883.06 : x
  2. Step 2: Convert to fraction form
    18,716,758.75/25,828,651.23 = 10,456,883.06/x
  3. Step 3: Cross multiply
    18,716,758.75x = 25,828,651.23 × 10,456,883.06
  4. Step 4: Simplify right side
    18,716,758.75x = 270,087,185,574,206.78
  5. Step 5: Solve for x
    x = 270,087,185,574,206.78/18,716,758.75
  6. Step 6: Final answer
    x = 14,430,232.78

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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.