Home / 9,905,315.75-14,858,991.69-3,428,380.49

Finding the Fourth Proportional to 9,905,315.75, 14,858,991.69 and 3,428,380.49

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Solution

The fourth proportional to 9,905,315.75, 14,858,991.69 and 3,428,380.49 is: 5,142,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905,315.75 : 14,858,991.69 = 3,428,380.49 : x
  2. Step 2: Convert to fraction form
    9,905,315.75/14,858,991.69 = 3,428,380.49/x
  3. Step 3: Cross multiply
    9,905,315.75x = 14,858,991.69 × 3,428,380.49
  4. Step 4: Simplify right side
    9,905,315.75x = 50,942,277,143,201.38
  5. Step 5: Solve for x
    x = 50,942,277,143,201.38/9,905,315.75
  6. Step 6: Final answer
    x = 5,142,923.10

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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.