Home / 14,021,646.40-21,032,469.60-11,628,193.60

Finding the Fourth Proportional to 14,021,646.40, 21,032,469.60 and 11,628,193.60

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Solution

The fourth proportional to 14,021,646.40, 21,032,469.60 and 11,628,193.60 is: 17,442,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021,646.40 : 21,032,469.60 = 11,628,193.60 : x
  2. Step 2: Convert to fraction form
    14,021,646.40/21,032,469.60 = 11,628,193.60/x
  3. Step 3: Cross multiply
    14,021,646.40x = 21,032,469.60 × 11,628,193.60
  4. Step 4: Simplify right side
    14,021,646.40x = 244,569,628,394,914.56
  5. Step 5: Solve for x
    x = 244,569,628,394,914.56/14,021,646.40
  6. Step 6: Final answer
    x = 17,442,290.40

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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.