Home / 13,991,386.72-19,317,028.56-11,419,203.04

Finding the Fourth Proportional to 13,991,386.72, 19,317,028.56 and 11,419,203.04

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Solution

The fourth proportional to 13,991,386.72, 19,317,028.56 and 11,419,203.04 is: 15,765,776.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991,386.72 : 19,317,028.56 = 11,419,203.04 : x
  2. Step 2: Convert to fraction form
    13,991,386.72/19,317,028.56 = 11,419,203.04/x
  3. Step 3: Cross multiply
    13,991,386.72x = 19,317,028.56 × 11,419,203.04
  4. Step 4: Simplify right side
    13,991,386.72x = 220,585,071,256,118.78
  5. Step 5: Solve for x
    x = 220,585,071,256,118.78/13,991,386.72
  6. Step 6: Final answer
    x = 15,765,776.16

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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.