Home / 11,212,069.80-16,818,104.70-11,105,781.60

Finding the Fourth Proportional to 11,212,069.80, 16,818,104.70 and 11,105,781.60

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Solution

The fourth proportional to 11,212,069.80, 16,818,104.70 and 11,105,781.60 is: 16,658,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212,069.80 : 16,818,104.70 = 11,105,781.60 : x
  2. Step 2: Convert to fraction form
    11,212,069.80/16,818,104.70 = 11,105,781.60/x
  3. Step 3: Cross multiply
    11,212,069.80x = 16,818,104.70 × 11,105,781.60
  4. Step 4: Simplify right side
    11,212,069.80x = 186,778,197,724,133.50
  5. Step 5: Solve for x
    x = 186,778,197,724,133.50/11,212,069.80
  6. Step 6: Final answer
    x = 16,658,672.40

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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.