Home / 12,443,637.20-18,663,151.80-3,466,331.60

Finding the Fourth Proportional to 12,443,637.20, 18,663,151.80 and 3,466,331.60

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Solution

The fourth proportional to 12,443,637.20, 18,663,151.80 and 3,466,331.60 is: 5,198,855.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,443,637.20 : 18,663,151.80 = 3,466,331.60 : x
  2. Step 2: Convert to fraction form
    12,443,637.20/18,663,151.80 = 3,466,331.60/x
  3. Step 3: Cross multiply
    12,443,637.20x = 18,663,151.80 × 3,466,331.60
  4. Step 4: Simplify right side
    12,443,637.20x = 64,692,672,839,936.88
  5. Step 5: Solve for x
    x = 64,692,672,839,936.88/12,443,637.20
  6. Step 6: Final answer
    x = 5,198,855.59

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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.