Home / 12,311,996.40-18,467,994.60-12,102,044.40

Finding the Fourth Proportional to 12,311,996.40, 18,467,994.60 and 12,102,044.40

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Solution

The fourth proportional to 12,311,996.40, 18,467,994.60 and 12,102,044.40 is: 18,153,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,996.40 : 18,467,994.60 = 12,102,044.40 : x
  2. Step 2: Convert to fraction form
    12,311,996.40/18,467,994.60 = 12,102,044.40/x
  3. Step 3: Cross multiply
    12,311,996.40x = 18,467,994.60 × 12,102,044.40
  4. Step 4: Simplify right side
    12,311,996.40x = 223,500,490,628,160.25
  5. Step 5: Solve for x
    x = 223,500,490,628,160.25/12,311,996.40
  6. Step 6: Final answer
    x = 18,153,066.60

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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.