Home / 17,861,996.40-26,792,994.60-12,459,231.60

Finding the Fourth Proportional to 17,861,996.40, 26,792,994.60 and 12,459,231.60

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Solution

The fourth proportional to 17,861,996.40, 26,792,994.60 and 12,459,231.60 is: 18,688,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,861,996.40 : 26,792,994.60 = 12,459,231.60 : x
  2. Step 2: Convert to fraction form
    17,861,996.40/26,792,994.60 = 12,459,231.60/x
  3. Step 3: Cross multiply
    17,861,996.40x = 26,792,994.60 × 12,459,231.60
  4. Step 4: Simplify right side
    17,861,996.40x = 333,820,124,978,949.38
  5. Step 5: Solve for x
    x = 333,820,124,978,949.38/17,861,996.40
  6. Step 6: Final answer
    x = 18,688,847.40

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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.