Home / 18,161,885.30-27,229,268.55-10,971,904.10

Finding the Fourth Proportional to 18,161,885.30, 27,229,268.55 and 10,971,904.10

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Solution

The fourth proportional to 18,161,885.30, 27,229,268.55 and 10,971,904.10 is: 16,449,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161,885.30 : 27,229,268.55 = 10,971,904.10 : x
  2. Step 2: Convert to fraction form
    18,161,885.30/27,229,268.55 = 10,971,904.10/x
  3. Step 3: Cross multiply
    18,161,885.30x = 27,229,268.55 × 10,971,904.10
  4. Step 4: Simplify right side
    18,161,885.30x = 298,756,923,243,746.06
  5. Step 5: Solve for x
    x = 298,756,923,243,746.06/18,161,885.30
  6. Step 6: Final answer
    x = 16,449,664.69

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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.