Home / 13,225,939.56-18,250,788.96-7,423,600.30

Finding the Fourth Proportional to 13,225,939.56, 18,250,788.96 and 7,423,600.30

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Solution

The fourth proportional to 13,225,939.56, 18,250,788.96 and 7,423,600.30 is: 10,244,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225,939.56 : 18,250,788.96 = 7,423,600.30 : x
  2. Step 2: Convert to fraction form
    13,225,939.56/18,250,788.96 = 7,423,600.30/x
  3. Step 3: Cross multiply
    13,225,939.56x = 18,250,788.96 × 7,423,600.30
  4. Step 4: Simplify right side
    13,225,939.56x = 135,486,562,398,692.69
  5. Step 5: Solve for x
    x = 135,486,562,398,692.69/13,225,939.56
  6. Step 6: Final answer
    x = 10,244,002.84

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1.5x scale

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.