Home / 12,122,934.75-18,187,398.32-3,603,235.68

Finding the Fourth Proportional to 12,122,934.75, 18,187,398.32 and 3,603,235.68

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Solution

The fourth proportional to 12,122,934.75, 18,187,398.32 and 3,603,235.68 is: 5,405,744.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122,934.75 : 18,187,398.32 = 3,603,235.68 : x
  2. Step 2: Convert to fraction form
    12,122,934.75/18,187,398.32 = 3,603,235.68/x
  3. Step 3: Cross multiply
    12,122,934.75x = 18,187,398.32 × 3,603,235.68
  4. Step 4: Simplify right side
    12,122,934.75x = 65,533,482,534,979.89
  5. Step 5: Solve for x
    x = 65,533,482,534,979.89/12,122,934.75
  6. Step 6: Final answer
    x = 5,405,744.06

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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.