Home / 26,075,422.80-39,113,134.20-12,638,494.80

Finding the Fourth Proportional to 26,075,422.80, 39,113,134.20 and 12,638,494.80

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Solution

The fourth proportional to 26,075,422.80, 39,113,134.20 and 12,638,494.80 is: 18,957,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,075,422.80 : 39,113,134.20 = 12,638,494.80 : x
  2. Step 2: Convert to fraction form
    26,075,422.80/39,113,134.20 = 12,638,494.80/x
  3. Step 3: Cross multiply
    26,075,422.80x = 39,113,134.20 × 12,638,494.80
  4. Step 4: Simplify right side
    26,075,422.80x = 494,331,143,198,402.25
  5. Step 5: Solve for x
    x = 494,331,143,198,402.25/26,075,422.80
  6. Step 6: Final answer
    x = 18,957,742.20

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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.