Home / 12,097,117.80-18,145,676.70-8,066,039.40

Finding the Fourth Proportional to 12,097,117.80, 18,145,676.70 and 8,066,039.40

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Solution

The fourth proportional to 12,097,117.80, 18,145,676.70 and 8,066,039.40 is: 12,099,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,117.80 : 18,145,676.70 = 8,066,039.40 : x
  2. Step 2: Convert to fraction form
    12,097,117.80/18,145,676.70 = 8,066,039.40/x
  3. Step 3: Cross multiply
    12,097,117.80x = 18,145,676.70 × 8,066,039.40
  4. Step 4: Simplify right side
    12,097,117.80x = 146,363,743,201,861.97
  5. Step 5: Solve for x
    x = 146,363,743,201,861.97/12,097,117.80
  6. Step 6: Final answer
    x = 12,099,059.10

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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.