Home / 18,392,686.20-27,589,029.30-10,430,062.20

Finding the Fourth Proportional to 18,392,686.20, 27,589,029.30 and 10,430,062.20

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Solution

The fourth proportional to 18,392,686.20, 27,589,029.30 and 10,430,062.20 is: 15,645,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392,686.20 : 27,589,029.30 = 10,430,062.20 : x
  2. Step 2: Convert to fraction form
    18,392,686.20/27,589,029.30 = 10,430,062.20/x
  3. Step 3: Cross multiply
    18,392,686.20x = 27,589,029.30 × 10,430,062.20
  4. Step 4: Simplify right side
    18,392,686.20x = 287,755,291,636,622.44
  5. Step 5: Solve for x
    x = 287,755,291,636,622.44/18,392,686.20
  6. Step 6: Final answer
    x = 15,645,093.30

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1.5x scale

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.