Home / 8,299,212.15-12,435,532.20-5,456,002.80

Finding the Fourth Proportional to 8,299,212.15, 12,435,532.20 and 5,456,002.80

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Solution

The fourth proportional to 8,299,212.15, 12,435,532.20 and 5,456,002.80 is: 8,175,269.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299,212.15 : 12,435,532.20 = 5,456,002.80 : x
  2. Step 2: Convert to fraction form
    8,299,212.15/12,435,532.20 = 5,456,002.80/x
  3. Step 3: Cross multiply
    8,299,212.15x = 12,435,532.20 × 5,456,002.80
  4. Step 4: Simplify right side
    8,299,212.15x = 67,848,298,502,690.16
  5. Step 5: Solve for x
    x = 67,848,298,502,690.16/8,299,212.15
  6. Step 6: Final answer
    x = 8,175,269.81

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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.