Home / 19,086,301.60-28,629,452.40-11,433,551.20

Finding the Fourth Proportional to 19,086,301.60, 28,629,452.40 and 11,433,551.20

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Solution

The fourth proportional to 19,086,301.60, 28,629,452.40 and 11,433,551.20 is: 17,150,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086,301.60 : 28,629,452.40 = 11,433,551.20 : x
  2. Step 2: Convert to fraction form
    19,086,301.60/28,629,452.40 = 11,433,551.20/x
  3. Step 3: Cross multiply
    19,086,301.60x = 28,629,452.40 × 11,433,551.20
  4. Step 4: Simplify right side
    19,086,301.60x = 327,336,309,843,362.81
  5. Step 5: Solve for x
    x = 327,336,309,843,362.81/19,086,301.60
  6. Step 6: Final answer
    x = 17,150,326.80

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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.