Home / 13,156,721.67-19,734,858.68-3,934,715.25

Finding the Fourth Proportional to 13,156,721.67, 19,734,858.68 and 3,934,715.25

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Solution

The fourth proportional to 13,156,721.67, 19,734,858.68 and 3,934,715.25 is: 5,902,005.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156,721.67 : 19,734,858.68 = 3,934,715.25 : x
  2. Step 2: Convert to fraction form
    13,156,721.67/19,734,858.68 = 3,934,715.25/x
  3. Step 3: Cross multiply
    13,156,721.67x = 19,734,858.68 × 3,934,715.25
  4. Step 4: Simplify right side
    13,156,721.67x = 77,651,049,385,117.30
  5. Step 5: Solve for x
    x = 77,651,049,385,117.30/13,156,721.67
  6. Step 6: Final answer
    x = 5,902,005.94

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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.