Home / 13,553,863.85-20,330,803.07-8,508,717.29

Finding the Fourth Proportional to 13,553,863.85, 20,330,803.07 and 8,508,717.29

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Solution

The fourth proportional to 13,553,863.85, 20,330,803.07 and 8,508,717.29 is: 12,763,080.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553,863.85 : 20,330,803.07 = 8,508,717.29 : x
  2. Step 2: Convert to fraction form
    13,553,863.85/20,330,803.07 = 8,508,717.29/x
  3. Step 3: Cross multiply
    13,553,863.85x = 20,330,803.07 × 8,508,717.29
  4. Step 4: Simplify right side
    13,553,863.85x = 172,989,055,641,485.22
  5. Step 5: Solve for x
    x = 172,989,055,641,485.22/13,553,863.85
  6. Step 6: Final answer
    x = 12,763,080.52

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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.