Home / 8,246,976.40-12,349,469.40-7,869,062.80

Finding the Fourth Proportional to 8,246,976.40, 12,349,469.40 and 7,869,062.80

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Solution

The fourth proportional to 8,246,976.40, 12,349,469.40 and 7,869,062.80 is: 11,783,561.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246,976.40 : 12,349,469.40 = 7,869,062.80 : x
  2. Step 2: Convert to fraction form
    8,246,976.40/12,349,469.40 = 7,869,062.80/x
  3. Step 3: Cross multiply
    8,246,976.40x = 12,349,469.40 × 7,869,062.80
  4. Step 4: Simplify right side
    8,246,976.40x = 97,178,750,255,278.33
  5. Step 5: Solve for x
    x = 97,178,750,255,278.33/8,246,976.40
  6. Step 6: Final answer
    x = 11,783,561.09

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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.