Home / 12,818,408.70-19,227,613.05-12,370,511.10

Finding the Fourth Proportional to 12,818,408.70, 19,227,613.05 and 12,370,511.10

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Solution

The fourth proportional to 12,818,408.70, 19,227,613.05 and 12,370,511.10 is: 18,555,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,818,408.70 : 19,227,613.05 = 12,370,511.10 : x
  2. Step 2: Convert to fraction form
    12,818,408.70/19,227,613.05 = 12,370,511.10/x
  3. Step 3: Cross multiply
    12,818,408.70x = 19,227,613.05 × 12,370,511.10
  4. Step 4: Simplify right side
    12,818,408.70x = 237,855,400,661,529.84
  5. Step 5: Solve for x
    x = 237,855,400,661,529.84/12,818,408.70
  6. Step 6: Final answer
    x = 18,555,766.65

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1.5x scale

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.