Home / 13,821,982.40-20,732,973.60-6,632,292.80

Finding the Fourth Proportional to 13,821,982.40, 20,732,973.60 and 6,632,292.80

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Solution

The fourth proportional to 13,821,982.40, 20,732,973.60 and 6,632,292.80 is: 9,948,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821,982.40 : 20,732,973.60 = 6,632,292.80 : x
  2. Step 2: Convert to fraction form
    13,821,982.40/20,732,973.60 = 6,632,292.80/x
  3. Step 3: Cross multiply
    13,821,982.40x = 20,732,973.60 × 6,632,292.80
  4. Step 4: Simplify right side
    13,821,982.40x = 137,507,151,529,870.09
  5. Step 5: Solve for x
    x = 137,507,151,529,870.09/13,821,982.40
  6. Step 6: Final answer
    x = 9,948,439.20

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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.