Home / 19,890,985.20-27,433,183.32-11,734,350

Finding the Fourth Proportional to 19,890,985.20, 27,433,183.32 and 11,734,350

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Solution

The fourth proportional to 19,890,985.20, 27,433,183.32 and 11,734,350 is: 16,183,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890,985.20 : 27,433,183.32 = 11,734,350 : x
  2. Step 2: Convert to fraction form
    19,890,985.20/27,433,183.32 = 11,734,350/x
  3. Step 3: Cross multiply
    19,890,985.20x = 27,433,183.32 × 11,734,350
  4. Step 4: Simplify right side
    19,890,985.20x = 321,910,574,691,042
  5. Step 5: Solve for x
    x = 321,910,574,691,042/19,890,985.20
  6. Step 6: Final answer
    x = 16,183,742.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.