Home / 12,747,305.61-19,120,934.48-3,994,254.25

Finding the Fourth Proportional to 12,747,305.61, 19,120,934.48 and 3,994,254.25

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Solution

The fourth proportional to 12,747,305.61, 19,120,934.48 and 3,994,254.25 is: 5,991,373.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,305.61 : 19,120,934.48 = 3,994,254.25 : x
  2. Step 2: Convert to fraction form
    12,747,305.61/19,120,934.48 = 3,994,254.25/x
  3. Step 3: Cross multiply
    12,747,305.61x = 19,120,934.48 × 3,994,254.25
  4. Step 4: Simplify right side
    12,747,305.61x = 76,373,873,772,894.84
  5. Step 5: Solve for x
    x = 76,373,873,772,894.84/12,747,305.61
  6. Step 6: Final answer
    x = 5,991,373.87

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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.