Home / 13,651,982.10-20,474,240.67-5,131,663.38

Finding the Fourth Proportional to 13,651,982.10, 20,474,240.67 and 5,131,663.38

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Solution

The fourth proportional to 13,651,982.10, 20,474,240.67 and 5,131,663.38 is: 7,696,092.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,651,982.10 : 20,474,240.67 = 5,131,663.38 : x
  2. Step 2: Convert to fraction form
    13,651,982.10/20,474,240.67 = 5,131,663.38/x
  3. Step 3: Cross multiply
    13,651,982.10x = 20,474,240.67 × 5,131,663.38
  4. Step 4: Simplify right side
    13,651,982.10x = 105,066,911,079,545.67
  5. Step 5: Solve for x
    x = 105,066,911,079,545.67/13,651,982.10
  6. Step 6: Final answer
    x = 7,696,092.06

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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.