Home / 13,470,997.92-20,219,271.74-8,337,900.65

Finding the Fourth Proportional to 13,470,997.92, 20,219,271.74 and 8,337,900.65

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Solution

The fourth proportional to 13,470,997.92, 20,219,271.74 and 8,337,900.65 is: 12,514,757.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470,997.92 : 20,219,271.74 = 8,337,900.65 : x
  2. Step 2: Convert to fraction form
    13,470,997.92/20,219,271.74 = 8,337,900.65/x
  3. Step 3: Cross multiply
    13,470,997.92x = 20,219,271.74 × 8,337,900.65
  4. Step 4: Simplify right side
    13,470,997.92x = 168,586,278,871,953.88
  5. Step 5: Solve for x
    x = 168,586,278,871,953.88/13,470,997.92
  6. Step 6: Final answer
    x = 12,514,757.99

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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.