Home / 13,825,406.40-20,701,821.60-9,759,940.80

Finding the Fourth Proportional to 13,825,406.40, 20,701,821.60 and 9,759,940.80

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Solution

The fourth proportional to 13,825,406.40, 20,701,821.60 and 9,759,940.80 is: 14,614,293.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825,406.40 : 20,701,821.60 = 9,759,940.80 : x
  2. Step 2: Convert to fraction form
    13,825,406.40/20,701,821.60 = 9,759,940.80/x
  3. Step 3: Cross multiply
    13,825,406.40x = 20,701,821.60 × 9,759,940.80
  4. Step 4: Simplify right side
    13,825,406.40x = 202,048,553,268,161.31
  5. Step 5: Solve for x
    x = 202,048,553,268,161.31/13,825,406.40
  6. Step 6: Final answer
    x = 14,614,293.96

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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.