Home / 18,315,087.80-27,485,073.30-10,228,047.80

Finding the Fourth Proportional to 18,315,087.80, 27,485,073.30 and 10,228,047.80

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Solution

The fourth proportional to 18,315,087.80, 27,485,073.30 and 10,228,047.80 is: 15,349,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315,087.80 : 27,485,073.30 = 10,228,047.80 : x
  2. Step 2: Convert to fraction form
    18,315,087.80/27,485,073.30 = 10,228,047.80/x
  3. Step 3: Cross multiply
    18,315,087.80x = 27,485,073.30 × 10,228,047.80
  4. Step 4: Simplify right side
    18,315,087.80x = 281,118,643,498,903.78
  5. Step 5: Solve for x
    x = 281,118,643,498,903.78/18,315,087.80
  6. Step 6: Final answer
    x = 15,349,019.70

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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.