Home / 13,468,807.80-20,215,896.30-7,083,642.60

Finding the Fourth Proportional to 13,468,807.80, 20,215,896.30 and 7,083,642.60

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Solution

The fourth proportional to 13,468,807.80, 20,215,896.30 and 7,083,642.60 is: 10,632,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468,807.80 : 20,215,896.30 = 7,083,642.60 : x
  2. Step 2: Convert to fraction form
    13,468,807.80/20,215,896.30 = 7,083,642.60/x
  3. Step 3: Cross multiply
    13,468,807.80x = 20,215,896.30 × 7,083,642.60
  4. Step 4: Simplify right side
    13,468,807.80x = 143,202,184,227,862.38
  5. Step 5: Solve for x
    x = 143,202,184,227,862.38/13,468,807.80
  6. Step 6: Final answer
    x = 10,632,135.10

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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.