Home / 8,603,167.20-12,911,749.20-8,323,231.20

Finding the Fourth Proportional to 8,603,167.20, 12,911,749.20 and 8,323,231.20

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Solution

The fourth proportional to 8,603,167.20, 12,911,749.20 and 8,323,231.20 is: 12,491,617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603,167.20 : 12,911,749.20 = 8,323,231.20 : x
  2. Step 2: Convert to fraction form
    8,603,167.20/12,911,749.20 = 8,323,231.20/x
  3. Step 3: Cross multiply
    8,603,167.20x = 12,911,749.20 × 8,323,231.20
  4. Step 4: Simplify right side
    8,603,167.20x = 107,467,473,788,015.03
  5. Step 5: Solve for x
    x = 107,467,473,788,015.03/8,603,167.20
  6. Step 6: Final answer
    x = 12,491,617.48

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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.