Home / 12,488,408.76-18,731,182.08-3,267,271.44

Finding the Fourth Proportional to 12,488,408.76, 18,731,182.08 and 3,267,271.44

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Solution

The fourth proportional to 12,488,408.76, 18,731,182.08 and 3,267,271.44 is: 4,900,532.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488,408.76 : 18,731,182.08 = 3,267,271.44 : x
  2. Step 2: Convert to fraction form
    12,488,408.76/18,731,182.08 = 3,267,271.44/x
  3. Step 3: Cross multiply
    12,488,408.76x = 18,731,182.08 × 3,267,271.44
  4. Step 4: Simplify right side
    12,488,408.76x = 61,199,856,247,423.79
  5. Step 5: Solve for x
    x = 61,199,856,247,423.79/12,488,408.76
  6. Step 6: Final answer
    x = 4,900,532.76

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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.