Home / 19,266,240.15-28,903,609.68-5,620,453.65

Finding the Fourth Proportional to 19,266,240.15, 28,903,609.68 and 5,620,453.65

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Solution

The fourth proportional to 19,266,240.15, 28,903,609.68 and 5,620,453.65 is: 8,431,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266,240.15 : 28,903,609.68 = 5,620,453.65 : x
  2. Step 2: Convert to fraction form
    19,266,240.15/28,903,609.68 = 5,620,453.65/x
  3. Step 3: Cross multiply
    19,266,240.15x = 28,903,609.68 × 5,620,453.65
  4. Step 4: Simplify right side
    19,266,240.15x = 162,451,398,524,131.34
  5. Step 5: Solve for x
    x = 162,451,398,524,131.34/19,266,240.15
  6. Step 6: Final answer
    x = 8,431,920.15

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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.