Home / 18,172,249.20-27,258,373.80-13,070,415.60

Finding the Fourth Proportional to 18,172,249.20, 27,258,373.80 and 13,070,415.60

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Solution

The fourth proportional to 18,172,249.20, 27,258,373.80 and 13,070,415.60 is: 19,605,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172,249.20 : 27,258,373.80 = 13,070,415.60 : x
  2. Step 2: Convert to fraction form
    18,172,249.20/27,258,373.80 = 13,070,415.60/x
  3. Step 3: Cross multiply
    18,172,249.20x = 27,258,373.80 × 13,070,415.60
  4. Step 4: Simplify right side
    18,172,249.20x = 356,278,274,146,151.25
  5. Step 5: Solve for x
    x = 356,278,274,146,151.25/18,172,249.20
  6. Step 6: Final answer
    x = 19,605,623.40

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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.