Home / 12,799,530.40-19,202,060.40-3,824,989.60

Finding the Fourth Proportional to 12,799,530.40, 19,202,060.40 and 3,824,989.60

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Solution

The fourth proportional to 12,799,530.40, 19,202,060.40 and 3,824,989.60 is: 5,738,310.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799,530.40 : 19,202,060.40 = 3,824,989.60 : x
  2. Step 2: Convert to fraction form
    12,799,530.40/19,202,060.40 = 3,824,989.60/x
  3. Step 3: Cross multiply
    12,799,530.40x = 19,202,060.40 × 3,824,989.60
  4. Step 4: Simplify right side
    12,799,530.40x = 73,447,681,328,571.84
  5. Step 5: Solve for x
    x = 73,447,681,328,571.84/12,799,530.40
  6. Step 6: Final answer
    x = 5,738,310.63

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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.