Home / 13,555,376.80-20,332,935.60-3,320,281.60

Finding the Fourth Proportional to 13,555,376.80, 20,332,935.60 and 3,320,281.60

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Solution

The fourth proportional to 13,555,376.80, 20,332,935.60 and 3,320,281.60 is: 4,980,390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,376.80 : 20,332,935.60 = 3,320,281.60 : x
  2. Step 2: Convert to fraction form
    13,555,376.80/20,332,935.60 = 3,320,281.60/x
  3. Step 3: Cross multiply
    13,555,376.80x = 20,332,935.60 × 3,320,281.60
  4. Step 4: Simplify right side
    13,555,376.80x = 67,511,071,946,664.97
  5. Step 5: Solve for x
    x = 67,511,071,946,664.97/13,555,376.80
  6. Step 6: Final answer
    x = 4,980,390.66

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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.