Home / 18,643,571.19-25,728,930.30-10,383,637.11

Finding the Fourth Proportional to 18,643,571.19, 25,728,930.30 and 10,383,637.11

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Solution

The fourth proportional to 18,643,571.19, 25,728,930.30 and 10,383,637.11 is: 14,329,865.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,643,571.19 : 25,728,930.30 = 10,383,637.11 : x
  2. Step 2: Convert to fraction form
    18,643,571.19/25,728,930.30 = 10,383,637.11/x
  3. Step 3: Cross multiply
    18,643,571.19x = 25,728,930.30 × 10,383,637.11
  4. Step 4: Simplify right side
    18,643,571.19x = 267,159,875,463,683.44
  5. Step 5: Solve for x
    x = 267,159,875,463,683.44/18,643,571.19
  6. Step 6: Final answer
    x = 14,329,865.92

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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.