Home / 13,821,720.70-20,732,581.06-13,609,144.30

Finding the Fourth Proportional to 13,821,720.70, 20,732,581.06 and 13,609,144.30

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Solution

The fourth proportional to 13,821,720.70, 20,732,581.06 and 13,609,144.30 is: 20,413,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821,720.70 : 20,732,581.06 = 13,609,144.30 : x
  2. Step 2: Convert to fraction form
    13,821,720.70/20,732,581.06 = 13,609,144.30/x
  3. Step 3: Cross multiply
    13,821,720.70x = 20,732,581.06 × 13,609,144.30
  4. Step 4: Simplify right side
    13,821,720.70x = 282,152,687,356,986.94
  5. Step 5: Solve for x
    x = 282,152,687,356,986.94/13,821,720.70
  6. Step 6: Final answer
    x = 20,413,716.46

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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.