Home / 12,032,026.80-18,040,069.80-6,643,258.80

Finding the Fourth Proportional to 12,032,026.80, 18,040,069.80 and 6,643,258.80

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Solution

The fourth proportional to 12,032,026.80, 18,040,069.80 and 6,643,258.80 is: 9,960,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,032,026.80 : 18,040,069.80 = 6,643,258.80 : x
  2. Step 2: Convert to fraction form
    12,032,026.80/18,040,069.80 = 6,643,258.80/x
  3. Step 3: Cross multiply
    12,032,026.80x = 18,040,069.80 × 6,643,258.80
  4. Step 4: Simplify right side
    12,032,026.80x = 119,844,852,451,464.23
  5. Step 5: Solve for x
    x = 119,844,852,451,464.23/12,032,026.80
  6. Step 6: Final answer
    x = 9,960,487.49

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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.