Home / 18,144,436.20-27,218,987.10-9,051,181.80

Finding the Fourth Proportional to 18,144,436.20, 27,218,987.10 and 9,051,181.80

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Solution

The fourth proportional to 18,144,436.20, 27,218,987.10 and 9,051,181.80 is: 13,577,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,436.20 : 27,218,987.10 = 9,051,181.80 : x
  2. Step 2: Convert to fraction form
    18,144,436.20/27,218,987.10 = 9,051,181.80/x
  3. Step 3: Cross multiply
    18,144,436.20x = 27,218,987.10 × 9,051,181.80
  4. Step 4: Simplify right side
    18,144,436.20x = 246,364,000,653,954.81
  5. Step 5: Solve for x
    x = 246,364,000,653,954.81/18,144,436.20
  6. Step 6: Final answer
    x = 13,577,936.40

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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.