Home / 8,138,813.80-12,210,164.70-2,459,093.80

Finding the Fourth Proportional to 8,138,813.80, 12,210,164.70 and 2,459,093.80

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Solution

The fourth proportional to 8,138,813.80, 12,210,164.70 and 2,459,093.80 is: 3,689,228.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138,813.80 : 12,210,164.70 = 2,459,093.80 : x
  2. Step 2: Convert to fraction form
    8,138,813.80/12,210,164.70 = 2,459,093.80/x
  3. Step 3: Cross multiply
    8,138,813.80x = 12,210,164.70 × 2,459,093.80
  4. Step 4: Simplify right side
    8,138,813.80x = 30,025,940,310,748.86
  5. Step 5: Solve for x
    x = 30,025,940,310,748.86/8,138,813.80
  6. Step 6: Final answer
    x = 3,689,228.07

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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.