Home / 8,231,867.80-12,347,801.70-8,074,403.80

Finding the Fourth Proportional to 8,231,867.80, 12,347,801.70 and 8,074,403.80

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Solution

The fourth proportional to 8,231,867.80, 12,347,801.70 and 8,074,403.80 is: 12,111,605.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231,867.80 : 12,347,801.70 = 8,074,403.80 : x
  2. Step 2: Convert to fraction form
    8,231,867.80/12,347,801.70 = 8,074,403.80/x
  3. Step 3: Cross multiply
    8,231,867.80x = 12,347,801.70 × 8,074,403.80
  4. Step 4: Simplify right side
    8,231,867.80x = 99,701,136,968,126.45
  5. Step 5: Solve for x
    x = 99,701,136,968,126.45/8,231,867.80
  6. Step 6: Final answer
    x = 12,111,605.70

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Double scale
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Similar ratio
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1.5x scale

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.