Home / 18,344,128.20-27,516,192.30-10,381,504.20

Finding the Fourth Proportional to 18,344,128.20, 27,516,192.30 and 10,381,504.20

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Solution

The fourth proportional to 18,344,128.20, 27,516,192.30 and 10,381,504.20 is: 15,572,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344,128.20 : 27,516,192.30 = 10,381,504.20 : x
  2. Step 2: Convert to fraction form
    18,344,128.20/27,516,192.30 = 10,381,504.20/x
  3. Step 3: Cross multiply
    18,344,128.20x = 27,516,192.30 × 10,381,504.20
  4. Step 4: Simplify right side
    18,344,128.20x = 285,659,465,930,457.62
  5. Step 5: Solve for x
    x = 285,659,465,930,457.62/18,344,128.20
  6. Step 6: Final answer
    x = 15,572,256.30

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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.