Home / 19,978,914.56-27,570,902.20-10,811,557.40

Finding the Fourth Proportional to 19,978,914.56, 27,570,902.20 and 10,811,557.40

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Solution

The fourth proportional to 19,978,914.56, 27,570,902.20 and 10,811,557.40 is: 14,919,949.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,978,914.56 : 27,570,902.20 = 10,811,557.40 : x
  2. Step 2: Convert to fraction form
    19,978,914.56/27,570,902.20 = 10,811,557.40/x
  3. Step 3: Cross multiply
    19,978,914.56x = 27,570,902.20 × 10,811,557.40
  4. Step 4: Simplify right side
    19,978,914.56x = 298,084,391,705,086.31
  5. Step 5: Solve for x
    x = 298,084,391,705,086.31/19,978,914.56
  6. Step 6: Final answer
    x = 14,919,949.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.