Home / 15,504,532.11-21,395,890.40-8,628,866.55

Finding the Fourth Proportional to 15,504,532.11, 21,395,890.40 and 8,628,866.55

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Solution

The fourth proportional to 15,504,532.11, 21,395,890.40 and 8,628,866.55 is: 11,907,633.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,532.11 : 21,395,890.40 = 8,628,866.55 : x
  2. Step 2: Convert to fraction form
    15,504,532.11/21,395,890.40 = 8,628,866.55/x
  3. Step 3: Cross multiply
    15,504,532.11x = 21,395,890.40 × 8,628,866.55
  4. Step 4: Simplify right side
    15,504,532.11x = 184,622,282,936,881.81
  5. Step 5: Solve for x
    x = 184,622,282,936,881.81/15,504,532.11
  6. Step 6: Final answer
    x = 11,907,633.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.