Home / 8,395,998.40-12,593,997.60-7,898,334.40

Finding the Fourth Proportional to 8,395,998.40, 12,593,997.60 and 7,898,334.40

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Solution

The fourth proportional to 8,395,998.40, 12,593,997.60 and 7,898,334.40 is: 11,847,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395,998.40 : 12,593,997.60 = 7,898,334.40 : x
  2. Step 2: Convert to fraction form
    8,395,998.40/12,593,997.60 = 7,898,334.40/x
  3. Step 3: Cross multiply
    8,395,998.40x = 12,593,997.60 × 7,898,334.40
  4. Step 4: Simplify right side
    8,395,998.40x = 99,471,604,477,597.44
  5. Step 5: Solve for x
    x = 99,471,604,477,597.44/8,395,998.40
  6. Step 6: Final answer
    x = 11,847,501.60

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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.