Home / 12,432,908.10-18,651,884.40-3,911,262.60

Finding the Fourth Proportional to 12,432,908.10, 18,651,884.40 and 3,911,262.60

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Solution

The fourth proportional to 12,432,908.10, 18,651,884.40 and 3,911,262.60 is: 5,867,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432,908.10 : 18,651,884.40 = 3,911,262.60 : x
  2. Step 2: Convert to fraction form
    12,432,908.10/18,651,884.40 = 3,911,262.60/x
  3. Step 3: Cross multiply
    12,432,908.10x = 18,651,884.40 × 3,911,262.60
  4. Step 4: Simplify right side
    12,432,908.10x = 72,952,417,873,243.44
  5. Step 5: Solve for x
    x = 72,952,417,873,243.44/12,432,908.10
  6. Step 6: Final answer
    x = 5,867,687.37

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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.