Home / 12,378,064.97-18,569,852.91-4,069,243.94

Finding the Fourth Proportional to 12,378,064.97, 18,569,852.91 and 4,069,243.94

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Solution

The fourth proportional to 12,378,064.97, 18,569,852.91 and 4,069,243.94 is: 6,104,771.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,378,064.97 : 18,569,852.91 = 4,069,243.94 : x
  2. Step 2: Convert to fraction form
    12,378,064.97/18,569,852.91 = 4,069,243.94/x
  3. Step 3: Cross multiply
    12,378,064.97x = 18,569,852.91 × 4,069,243.94
  4. Step 4: Simplify right side
    12,378,064.97x = 75,565,261,327,859.61
  5. Step 5: Solve for x
    x = 75,565,261,327,859.61/12,378,064.97
  6. Step 6: Final answer
    x = 6,104,771.75

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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.