Home / 13,138,857.10-19,694,872.05-8,879,455.90

Finding the Fourth Proportional to 13,138,857.10, 19,694,872.05 and 8,879,455.90

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Solution

The fourth proportional to 13,138,857.10, 19,694,872.05 and 8,879,455.90 is: 13,310,118.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,138,857.10 : 19,694,872.05 = 8,879,455.90 : x
  2. Step 2: Convert to fraction form
    13,138,857.10/19,694,872.05 = 8,879,455.90/x
  3. Step 3: Cross multiply
    13,138,857.10x = 19,694,872.05 × 8,879,455.90
  4. Step 4: Simplify right side
    13,138,857.10x = 174,879,747,824,117.59
  5. Step 5: Solve for x
    x = 174,879,747,824,117.59/13,138,857.10
  6. Step 6: Final answer
    x = 13,310,118.72

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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.