Home / 13,302,423.70-19,930,015.95-12,452,118.10

Finding the Fourth Proportional to 13,302,423.70, 19,930,015.95 and 12,452,118.10

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Solution

The fourth proportional to 13,302,423.70, 19,930,015.95 and 12,452,118.10 is: 18,656,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302,423.70 : 19,930,015.95 = 12,452,118.10 : x
  2. Step 2: Convert to fraction form
    13,302,423.70/19,930,015.95 = 12,452,118.10/x
  3. Step 3: Cross multiply
    13,302,423.70x = 19,930,015.95 × 12,452,118.10
  4. Step 4: Simplify right side
    13,302,423.70x = 248,170,912,344,283.69
  5. Step 5: Solve for x
    x = 248,170,912,344,283.69/13,302,423.70
  6. Step 6: Final answer
    x = 18,656,067.34

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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.