Home / 13,701,711.24-18,910,375.80-7,899,359.67

Finding the Fourth Proportional to 13,701,711.24, 18,910,375.80 and 7,899,359.67

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Solution

The fourth proportional to 13,701,711.24, 18,910,375.80 and 7,899,359.67 is: 10,902,277.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701,711.24 : 18,910,375.80 = 7,899,359.67 : x
  2. Step 2: Convert to fraction form
    13,701,711.24/18,910,375.80 = 7,899,359.67/x
  3. Step 3: Cross multiply
    13,701,711.24x = 18,910,375.80 × 7,899,359.67
  4. Step 4: Simplify right side
    13,701,711.24x = 149,379,859,939,064
  5. Step 5: Solve for x
    x = 149,379,859,939,064/13,701,711.24
  6. Step 6: Final answer
    x = 10,902,277.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.