Home / 15,664,059.93-21,617,770.55-9,139,791.27

Finding the Fourth Proportional to 15,664,059.93, 21,617,770.55 and 9,139,791.27

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Solution

The fourth proportional to 15,664,059.93, 21,617,770.55 and 9,139,791.27 is: 12,613,710.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,664,059.93 : 21,617,770.55 = 9,139,791.27 : x
  2. Step 2: Convert to fraction form
    15,664,059.93/21,617,770.55 = 9,139,791.27/x
  3. Step 3: Cross multiply
    15,664,059.93x = 21,617,770.55 × 9,139,791.27
  4. Step 4: Simplify right side
    15,664,059.93x = 197,581,910,504,054.16
  5. Step 5: Solve for x
    x = 197,581,910,504,054.16/15,664,059.93
  6. Step 6: Final answer
    x = 12,613,710.07

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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.