Home / 18,531,144.12-27,669,967.35-16,599,585.72

Finding the Fourth Proportional to 18,531,144.12, 27,669,967.35 and 16,599,585.72

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Solution

The fourth proportional to 18,531,144.12, 27,669,967.35 and 16,599,585.72 is: 24,785,841.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531,144.12 : 27,669,967.35 = 16,599,585.72 : x
  2. Step 2: Convert to fraction form
    18,531,144.12/27,669,967.35 = 16,599,585.72/x
  3. Step 3: Cross multiply
    18,531,144.12x = 27,669,967.35 × 16,599,585.72
  4. Step 4: Simplify right side
    18,531,144.12x = 459,309,994,895,926.31
  5. Step 5: Solve for x
    x = 459,309,994,895,926.31/18,531,144.12
  6. Step 6: Final answer
    x = 24,785,841.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.