Home / 8,310,911.20-12,459,368.40-4,321,823.20

Finding the Fourth Proportional to 8,310,911.20, 12,459,368.40 and 4,321,823.20

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Solution

The fourth proportional to 8,310,911.20, 12,459,368.40 and 4,321,823.20 is: 6,479,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310,911.20 : 12,459,368.40 = 4,321,823.20 : x
  2. Step 2: Convert to fraction form
    8,310,911.20/12,459,368.40 = 4,321,823.20/x
  3. Step 3: Cross multiply
    8,310,911.20x = 12,459,368.40 × 4,321,823.20
  4. Step 4: Simplify right side
    8,310,911.20x = 53,847,187,408,466.88
  5. Step 5: Solve for x
    x = 53,847,187,408,466.88/8,310,911.20
  6. Step 6: Final answer
    x = 6,479,095.51

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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.