Home / 16,977,897.20-25,466,845.80-5,616,869.60

Finding the Fourth Proportional to 16,977,897.20, 25,466,845.80 and 5,616,869.60

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Solution

The fourth proportional to 16,977,897.20, 25,466,845.80 and 5,616,869.60 is: 8,425,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977,897.20 : 25,466,845.80 = 5,616,869.60 : x
  2. Step 2: Convert to fraction form
    16,977,897.20/25,466,845.80 = 5,616,869.60/x
  3. Step 3: Cross multiply
    16,977,897.20x = 25,466,845.80 × 5,616,869.60
  4. Step 4: Simplify right side
    16,977,897.20x = 143,043,951,981,907.69
  5. Step 5: Solve for x
    x = 143,043,951,981,907.69/16,977,897.20
  6. Step 6: Final answer
    x = 8,425,304.40

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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.