Home / 18,777,824.30-28,130,189.25-13,844,870.84

Finding the Fourth Proportional to 18,777,824.30, 28,130,189.25 and 13,844,870.84

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Solution

The fourth proportional to 18,777,824.30, 28,130,189.25 and 13,844,870.84 is: 20,740,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777,824.30 : 28,130,189.25 = 13,844,870.84 : x
  2. Step 2: Convert to fraction form
    18,777,824.30/28,130,189.25 = 13,844,870.84/x
  3. Step 3: Cross multiply
    18,777,824.30x = 28,130,189.25 × 13,844,870.84
  4. Step 4: Simplify right side
    18,777,824.30x = 389,458,836,871,006.44
  5. Step 5: Solve for x
    x = 389,458,836,871,006.44/18,777,824.30
  6. Step 6: Final answer
    x = 20,740,360.05

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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.