Home / 12,481,649.40-18,722,474.10-10,466,110.20

Finding the Fourth Proportional to 12,481,649.40, 18,722,474.10 and 10,466,110.20

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Solution

The fourth proportional to 12,481,649.40, 18,722,474.10 and 10,466,110.20 is: 15,699,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,649.40 : 18,722,474.10 = 10,466,110.20 : x
  2. Step 2: Convert to fraction form
    12,481,649.40/18,722,474.10 = 10,466,110.20/x
  3. Step 3: Cross multiply
    12,481,649.40x = 18,722,474.10 × 10,466,110.20
  4. Step 4: Simplify right side
    12,481,649.40x = 195,951,477,147,245.81
  5. Step 5: Solve for x
    x = 195,951,477,147,245.81/12,481,649.40
  6. Step 6: Final answer
    x = 15,699,165.30

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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.