Home / 12,356,467.20-18,539,949.60-5,963,428.80

Finding the Fourth Proportional to 12,356,467.20, 18,539,949.60 and 5,963,428.80

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Solution

The fourth proportional to 12,356,467.20, 18,539,949.60 and 5,963,428.80 is: 8,947,676.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356,467.20 : 18,539,949.60 = 5,963,428.80 : x
  2. Step 2: Convert to fraction form
    12,356,467.20/18,539,949.60 = 5,963,428.80/x
  3. Step 3: Cross multiply
    12,356,467.20x = 18,539,949.60 × 5,963,428.80
  4. Step 4: Simplify right side
    12,356,467.20x = 110,561,669,395,188.48
  5. Step 5: Solve for x
    x = 110,561,669,395,188.48/12,356,467.20
  6. Step 6: Final answer
    x = 8,947,676.35

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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.