Home / 12,187,751.84-18,284,019.09-4,511,463.74

Finding the Fourth Proportional to 12,187,751.84, 18,284,019.09 and 4,511,463.74

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Solution

The fourth proportional to 12,187,751.84, 18,284,019.09 and 4,511,463.74 is: 6,768,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187,751.84 : 18,284,019.09 = 4,511,463.74 : x
  2. Step 2: Convert to fraction form
    12,187,751.84/18,284,019.09 = 4,511,463.74/x
  3. Step 3: Cross multiply
    12,187,751.84x = 18,284,019.09 × 4,511,463.74
  4. Step 4: Simplify right side
    12,187,751.84x = 82,487,689,146,002.80
  5. Step 5: Solve for x
    x = 82,487,689,146,002.80/12,187,751.84
  6. Step 6: Final answer
    x = 6,768,080.79

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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.