Home / 13,821,647.85-20,732,480.97-5,732,451.51

Finding the Fourth Proportional to 13,821,647.85, 20,732,480.97 and 5,732,451.51

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Solution

The fourth proportional to 13,821,647.85, 20,732,480.97 and 5,732,451.51 is: 8,598,681.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821,647.85 : 20,732,480.97 = 5,732,451.51 : x
  2. Step 2: Convert to fraction form
    13,821,647.85/20,732,480.97 = 5,732,451.51/x
  3. Step 3: Cross multiply
    13,821,647.85x = 20,732,480.97 × 5,732,451.51
  4. Step 4: Simplify right side
    13,821,647.85x = 118,847,941,842,522.75
  5. Step 5: Solve for x
    x = 118,847,941,842,522.75/13,821,647.85
  6. Step 6: Final answer
    x = 8,598,681.08

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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.