Home / 21,819,190.38-32,728,949.64-9,685,391.81

Finding the Fourth Proportional to 21,819,190.38, 32,728,949.64 and 9,685,391.81

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Solution

The fourth proportional to 21,819,190.38, 32,728,949.64 and 9,685,391.81 is: 14,528,160.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,819,190.38 : 32,728,949.64 = 9,685,391.81 : x
  2. Step 2: Convert to fraction form
    21,819,190.38/32,728,949.64 = 9,685,391.81/x
  3. Step 3: Cross multiply
    21,819,190.38x = 32,728,949.64 × 9,685,391.81
  4. Step 4: Simplify right side
    21,819,190.38x = 316,992,700,629,513.69
  5. Step 5: Solve for x
    x = 316,992,700,629,513.69/21,819,190.38
  6. Step 6: Final answer
    x = 14,528,160.54

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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.