Home / 6,287,786.20-9,431,679.30-5,490,624.70

Finding the Fourth Proportional to 6,287,786.20, 9,431,679.30 and 5,490,624.70

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Solution

The fourth proportional to 6,287,786.20, 9,431,679.30 and 5,490,624.70 is: 8,235,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287,786.20 : 9,431,679.30 = 5,490,624.70 : x
  2. Step 2: Convert to fraction form
    6,287,786.20/9,431,679.30 = 5,490,624.70/x
  3. Step 3: Cross multiply
    6,287,786.20x = 9,431,679.30 × 5,490,624.70
  4. Step 4: Simplify right side
    6,287,786.20x = 51,785,811,327,058.72
  5. Step 5: Solve for x
    x = 51,785,811,327,058.72/6,287,786.20
  6. Step 6: Final answer
    x = 8,235,937.05

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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.