Home / 13,456,425.10-20,187,728.62-3,871,883.02

Finding the Fourth Proportional to 13,456,425.10, 20,187,728.62 and 3,871,883.02

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Solution

The fourth proportional to 13,456,425.10, 20,187,728.62 and 3,871,883.02 is: 5,808,713.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456,425.10 : 20,187,728.62 = 3,871,883.02 : x
  2. Step 2: Convert to fraction form
    13,456,425.10/20,187,728.62 = 3,871,883.02/x
  3. Step 3: Cross multiply
    13,456,425.10x = 20,187,728.62 × 3,871,883.02
  4. Step 4: Simplify right side
    13,456,425.10x = 78,164,523,656,146.03
  5. Step 5: Solve for x
    x = 78,164,523,656,146.03/13,456,425.10
  6. Step 6: Final answer
    x = 5,808,713.91

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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.