Home / 26,469,862.68-39,738,797.40-20,408,444.64

Finding the Fourth Proportional to 26,469,862.68, 39,738,797.40 and 20,408,444.64

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Solution

The fourth proportional to 26,469,862.68, 39,738,797.40 and 20,408,444.64 is: 30,638,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,469,862.68 : 39,738,797.40 = 20,408,444.64 : x
  2. Step 2: Convert to fraction form
    26,469,862.68/39,738,797.40 = 20,408,444.64/x
  3. Step 3: Cross multiply
    26,469,862.68x = 39,738,797.40 × 20,408,444.64
  4. Step 4: Simplify right side
    26,469,862.68x = 811,007,046,798,075.88
  5. Step 5: Solve for x
    x = 811,007,046,798,075.88/26,469,862.68
  6. Step 6: Final answer
    x = 30,638,883.80

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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.