Home / 12,622,903.25-18,961,267.91-11,884,895.87

Finding the Fourth Proportional to 12,622,903.25, 18,961,267.91 and 11,884,895.87

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Solution

The fourth proportional to 12,622,903.25, 18,961,267.91 and 11,884,895.87 is: 17,852,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622,903.25 : 18,961,267.91 = 11,884,895.87 : x
  2. Step 2: Convert to fraction form
    12,622,903.25/18,961,267.91 = 11,884,895.87/x
  3. Step 3: Cross multiply
    12,622,903.25x = 18,961,267.91 × 11,884,895.87
  4. Step 4: Simplify right side
    12,622,903.25x = 225,352,694,519,291.72
  5. Step 5: Solve for x
    x = 225,352,694,519,291.72/12,622,903.25
  6. Step 6: Final answer
    x = 17,852,683.34

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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.