Home / 18,948,801.92-28,422,938.40-4,571,748.80

Finding the Fourth Proportional to 18,948,801.92, 28,422,938.40 and 4,571,748.80

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Solution

The fourth proportional to 18,948,801.92, 28,422,938.40 and 4,571,748.80 is: 6,857,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948,801.92 : 28,422,938.40 = 4,571,748.80 : x
  2. Step 2: Convert to fraction form
    18,948,801.92/28,422,938.40 = 4,571,748.80/x
  3. Step 3: Cross multiply
    18,948,801.92x = 28,422,938.40 × 4,571,748.80
  4. Step 4: Simplify right side
    18,948,801.92x = 129,942,534,522,673.91
  5. Step 5: Solve for x
    x = 129,942,534,522,673.91/18,948,801.92
  6. Step 6: Final answer
    x = 6,857,559.39

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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.