Home / 12,021,357.20-18,043,845.60-5,962,929.80

Finding the Fourth Proportional to 12,021,357.20, 18,043,845.60 and 5,962,929.80

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Solution

The fourth proportional to 12,021,357.20, 18,043,845.60 and 5,962,929.80 is: 8,950,252.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021,357.20 : 18,043,845.60 = 5,962,929.80 : x
  2. Step 2: Convert to fraction form
    12,021,357.20/18,043,845.60 = 5,962,929.80/x
  3. Step 3: Cross multiply
    12,021,357.20x = 18,043,845.60 × 5,962,929.80
  4. Step 4: Simplify right side
    12,021,357.20x = 107,594,184,634,838.89
  5. Step 5: Solve for x
    x = 107,594,184,634,838.89/12,021,357.20
  6. Step 6: Final answer
    x = 8,950,252.69

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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.