Home / 8,173,976.16-12,260,956.81-3,855,018.90

Finding the Fourth Proportional to 8,173,976.16, 12,260,956.81 and 3,855,018.90

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Solution

The fourth proportional to 8,173,976.16, 12,260,956.81 and 3,855,018.90 is: 5,782,524.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173,976.16 : 12,260,956.81 = 3,855,018.90 : x
  2. Step 2: Convert to fraction form
    8,173,976.16/12,260,956.81 = 3,855,018.90/x
  3. Step 3: Cross multiply
    8,173,976.16x = 12,260,956.81 × 3,855,018.90
  4. Step 4: Simplify right side
    8,173,976.16x = 47,266,220,234,633.71
  5. Step 5: Solve for x
    x = 47,266,220,234,633.71/8,173,976.16
  6. Step 6: Final answer
    x = 5,782,524.85

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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.