Home / 18,893,067.60-28,339,601.40-7,535,269.20

Finding the Fourth Proportional to 18,893,067.60, 28,339,601.40 and 7,535,269.20

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Solution

The fourth proportional to 18,893,067.60, 28,339,601.40 and 7,535,269.20 is: 11,302,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,893,067.60 : 28,339,601.40 = 7,535,269.20 : x
  2. Step 2: Convert to fraction form
    18,893,067.60/28,339,601.40 = 7,535,269.20/x
  3. Step 3: Cross multiply
    18,893,067.60x = 28,339,601.40 × 7,535,269.20
  4. Step 4: Simplify right side
    18,893,067.60x = 213,546,525,569,696.88
  5. Step 5: Solve for x
    x = 213,546,525,569,696.88/18,893,067.60
  6. Step 6: Final answer
    x = 11,302,903.80

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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.