Home / 13,122,003.70-18,328,289.90-13,122,003.70

Finding the Fourth Proportional to 13,122,003.70, 18,328,289.90 and 13,122,003.70

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Solution

The fourth proportional to 13,122,003.70, 18,328,289.90 and 13,122,003.70 is: 18,328,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,003.70 : 18,328,289.90 = 13,122,003.70 : x
  2. Step 2: Convert to fraction form
    13,122,003.70/18,328,289.90 = 13,122,003.70/x
  3. Step 3: Cross multiply
    13,122,003.70x = 18,328,289.90 × 13,122,003.70
  4. Step 4: Simplify right side
    13,122,003.70x = 240,503,887,882,472.59
  5. Step 5: Solve for x
    x = 240,503,887,882,472.59/13,122,003.70
  6. Step 6: Final answer
    x = 18,328,289.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.