Home / 12,596,493.80-18,897,198.30-5,408,013.80

Finding the Fourth Proportional to 12,596,493.80, 18,897,198.30 and 5,408,013.80

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Solution

The fourth proportional to 12,596,493.80, 18,897,198.30 and 5,408,013.80 is: 8,113,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596,493.80 : 18,897,198.30 = 5,408,013.80 : x
  2. Step 2: Convert to fraction form
    12,596,493.80/18,897,198.30 = 5,408,013.80/x
  3. Step 3: Cross multiply
    12,596,493.80x = 18,897,198.30 × 5,408,013.80
  4. Step 4: Simplify right side
    12,596,493.80x = 102,196,309,187,736.55
  5. Step 5: Solve for x
    x = 102,196,309,187,736.55/12,596,493.80
  6. Step 6: Final answer
    x = 8,113,075.81

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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.