Home / 18,145,018.80-27,229,969.80-8,054,881.20

Finding the Fourth Proportional to 18,145,018.80, 27,229,969.80 and 8,054,881.20

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Solution

The fourth proportional to 18,145,018.80, 27,229,969.80 and 8,054,881.20 is: 12,087,844.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,018.80 : 27,229,969.80 = 8,054,881.20 : x
  2. Step 2: Convert to fraction form
    18,145,018.80/27,229,969.80 = 8,054,881.20/x
  3. Step 3: Cross multiply
    18,145,018.80x = 27,229,969.80 × 8,054,881.20
  4. Step 4: Simplify right side
    18,145,018.80x = 219,334,171,818,587.78
  5. Step 5: Solve for x
    x = 219,334,171,818,587.78/18,145,018.80
  6. Step 6: Final answer
    x = 12,087,844.84

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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.