Home / 28,333,676.60-42,429,656.10-22,664,972.60

Finding the Fourth Proportional to 28,333,676.60, 42,429,656.10 and 22,664,972.60

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Solution

The fourth proportional to 28,333,676.60, 42,429,656.10 and 22,664,972.60 is: 33,940,776.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,333,676.60 : 42,429,656.10 = 22,664,972.60 : x
  2. Step 2: Convert to fraction form
    28,333,676.60/42,429,656.10 = 22,664,972.60/x
  3. Step 3: Cross multiply
    28,333,676.60x = 42,429,656.10 × 22,664,972.60
  4. Step 4: Simplify right side
    28,333,676.60x = 961,666,992,933,923
  5. Step 5: Solve for x
    x = 961,666,992,933,923/28,333,676.60
  6. Step 6: Final answer
    x = 33,940,776.78

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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.