Home / 12,432,721.93-18,651,605.24-3,911,076.43

Finding the Fourth Proportional to 12,432,721.93, 18,651,605.24 and 3,911,076.43

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Solution

The fourth proportional to 12,432,721.93, 18,651,605.24 and 3,911,076.43 is: 5,867,408.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432,721.93 : 18,651,605.24 = 3,911,076.43 : x
  2. Step 2: Convert to fraction form
    12,432,721.93/18,651,605.24 = 3,911,076.43/x
  3. Step 3: Cross multiply
    12,432,721.93x = 18,651,605.24 × 3,911,076.43
  4. Step 4: Simplify right side
    12,432,721.93x = 72,947,853,635,828.48
  5. Step 5: Solve for x
    x = 72,947,853,635,828.48/12,432,721.93
  6. Step 6: Final answer
    x = 5,867,408.12

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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.