Home / 18,057,729.60-27,087,480-7,273,574.28

Finding the Fourth Proportional to 18,057,729.60, 27,087,480 and 7,273,574.28

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Solution

The fourth proportional to 18,057,729.60, 27,087,480 and 7,273,574.28 is: 10,910,718.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057,729.60 : 27,087,480 = 7,273,574.28 : x
  2. Step 2: Convert to fraction form
    18,057,729.60/27,087,480 = 7,273,574.28/x
  3. Step 3: Cross multiply
    18,057,729.60x = 27,087,480 × 7,273,574.28
  4. Step 4: Simplify right side
    18,057,729.60x = 197,022,797,838,014.41
  5. Step 5: Solve for x
    x = 197,022,797,838,014.41/18,057,729.60
  6. Step 6: Final answer
    x = 10,910,718.14

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1.5x scale

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.