Home / 8,099,439.40-12,149,288.70-2,115,807.40

Finding the Fourth Proportional to 8,099,439.40, 12,149,288.70 and 2,115,807.40

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Solution

The fourth proportional to 8,099,439.40, 12,149,288.70 and 2,115,807.40 is: 3,173,744.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099,439.40 : 12,149,288.70 = 2,115,807.40 : x
  2. Step 2: Convert to fraction form
    8,099,439.40/12,149,288.70 = 2,115,807.40/x
  3. Step 3: Cross multiply
    8,099,439.40x = 12,149,288.70 × 2,115,807.40
  4. Step 4: Simplify right side
    8,099,439.40x = 25,705,554,936,196.38
  5. Step 5: Solve for x
    x = 25,705,554,936,196.38/8,099,439.40
  6. Step 6: Final answer
    x = 3,173,744.96

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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.