Home / 13,821,645.85-20,732,477.97-5,732,449.51

Finding the Fourth Proportional to 13,821,645.85, 20,732,477.97 and 5,732,449.51

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Solution

The fourth proportional to 13,821,645.85, 20,732,477.97 and 5,732,449.51 is: 8,598,678.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821,645.85 : 20,732,477.97 = 5,732,449.51 : x
  2. Step 2: Convert to fraction form
    13,821,645.85/20,732,477.97 = 5,732,449.51/x
  3. Step 3: Cross multiply
    13,821,645.85x = 20,732,477.97 × 5,732,449.51
  4. Step 4: Simplify right side
    13,821,645.85x = 118,847,883,180,212.28
  5. Step 5: Solve for x
    x = 118,847,883,180,212.28/13,821,645.85
  6. Step 6: Final answer
    x = 8,598,678.08

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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.