Home / 18,801,180.41-28,209,888.49-10,171,359.51

Finding the Fourth Proportional to 18,801,180.41, 28,209,888.49 and 10,171,359.51

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Solution

The fourth proportional to 18,801,180.41, 28,209,888.49 and 10,171,359.51 is: 15,261,431.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801,180.41 : 28,209,888.49 = 10,171,359.51 : x
  2. Step 2: Convert to fraction form
    18,801,180.41/28,209,888.49 = 10,171,359.51/x
  3. Step 3: Cross multiply
    18,801,180.41x = 28,209,888.49 × 10,171,359.51
  4. Step 4: Simplify right side
    18,801,180.41x = 286,932,917,708,974.81
  5. Step 5: Solve for x
    x = 286,932,917,708,974.81/18,801,180.41
  6. Step 6: Final answer
    x = 15,261,431.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.