Home / 18,548,172.42-27,822,329.72-7,757,904.04

Finding the Fourth Proportional to 18,548,172.42, 27,822,329.72 and 7,757,904.04

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Solution

The fourth proportional to 18,548,172.42, 27,822,329.72 and 7,757,904.04 is: 11,636,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548,172.42 : 27,822,329.72 = 7,757,904.04 : x
  2. Step 2: Convert to fraction form
    18,548,172.42/27,822,329.72 = 7,757,904.04/x
  3. Step 3: Cross multiply
    18,548,172.42x = 27,822,329.72 × 7,757,904.04
  4. Step 4: Simplify right side
    18,548,172.42x = 215,842,964,137,000.06
  5. Step 5: Solve for x
    x = 215,842,964,137,000.06/18,548,172.42
  6. Step 6: Final answer
    x = 11,636,885.79

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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.