Home / 13,991,384.72-19,317,025.80-11,419,201.04

Finding the Fourth Proportional to 13,991,384.72, 19,317,025.80 and 11,419,201.04

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Solution

The fourth proportional to 13,991,384.72, 19,317,025.80 and 11,419,201.04 is: 15,765,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991,384.72 : 19,317,025.80 = 11,419,201.04 : x
  2. Step 2: Convert to fraction form
    13,991,384.72/19,317,025.80 = 11,419,201.04/x
  3. Step 3: Cross multiply
    13,991,384.72x = 19,317,025.80 × 11,419,201.04
  4. Step 4: Simplify right side
    13,991,384.72x = 220,585,001,105,066.81
  5. Step 5: Solve for x
    x = 220,585,001,105,066.81/13,991,384.72
  6. Step 6: Final answer
    x = 15,765,773.40

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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.