Home / 8,412,658.20-12,618,987.30-3,022,140.60

Finding the Fourth Proportional to 8,412,658.20, 12,618,987.30 and 3,022,140.60

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Solution

The fourth proportional to 8,412,658.20, 12,618,987.30 and 3,022,140.60 is: 4,533,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412,658.20 : 12,618,987.30 = 3,022,140.60 : x
  2. Step 2: Convert to fraction form
    8,412,658.20/12,618,987.30 = 3,022,140.60/x
  3. Step 3: Cross multiply
    8,412,658.20x = 12,618,987.30 × 3,022,140.60
  4. Step 4: Simplify right side
    8,412,658.20x = 38,136,353,850,214.38
  5. Step 5: Solve for x
    x = 38,136,353,850,214.38/8,412,658.20
  6. Step 6: Final answer
    x = 4,533,210.90

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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.