Home / 12,096,511.80-18,144,767.70-5,378,047.80

Finding the Fourth Proportional to 12,096,511.80, 18,144,767.70 and 5,378,047.80

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Solution

The fourth proportional to 12,096,511.80, 18,144,767.70 and 5,378,047.80 is: 8,067,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,511.80 : 18,144,767.70 = 5,378,047.80 : x
  2. Step 2: Convert to fraction form
    12,096,511.80/18,144,767.70 = 5,378,047.80/x
  3. Step 3: Cross multiply
    12,096,511.80x = 18,144,767.70 × 5,378,047.80
  4. Step 4: Simplify right side
    12,096,511.80x = 97,583,428,010,496.05
  5. Step 5: Solve for x
    x = 97,583,428,010,496.05/12,096,511.80
  6. Step 6: Final answer
    x = 8,067,071.70

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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.