Home / 28,979,549.60-43,469,324.40-19,424,400.80

Finding the Fourth Proportional to 28,979,549.60, 43,469,324.40 and 19,424,400.80

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Solution

The fourth proportional to 28,979,549.60, 43,469,324.40 and 19,424,400.80 is: 29,136,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,549.60 : 43,469,324.40 = 19,424,400.80 : x
  2. Step 2: Convert to fraction form
    28,979,549.60/43,469,324.40 = 19,424,400.80/x
  3. Step 3: Cross multiply
    28,979,549.60x = 43,469,324.40 × 19,424,400.80
  4. Step 4: Simplify right side
    28,979,549.60x = 844,365,579,650,819.50
  5. Step 5: Solve for x
    x = 844,365,579,650,819.50/28,979,549.60
  6. Step 6: Final answer
    x = 29,136,601.20

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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.