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Finding the Fourth Proportional to 14,975,999.80, 22,463,999.70 and 5,392,857.40

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Solution

The fourth proportional to 14,975,999.80, 22,463,999.70 and 5,392,857.40 is: 8,089,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975,999.80 : 22,463,999.70 = 5,392,857.40 : x
  2. Step 2: Convert to fraction form
    14,975,999.80/22,463,999.70 = 5,392,857.40/x
  3. Step 3: Cross multiply
    14,975,999.80x = 22,463,999.70 × 5,392,857.40
  4. Step 4: Simplify right side
    14,975,999.80x = 121,145,147,015,742.78
  5. Step 5: Solve for x
    x = 121,145,147,015,742.78/14,975,999.80
  6. Step 6: Final answer
    x = 8,089,286.10

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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.