Home / 13,991,543.85-20,987,315.77-5,465,901.61

Finding the Fourth Proportional to 13,991,543.85, 20,987,315.77 and 5,465,901.61

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Solution

The fourth proportional to 13,991,543.85, 20,987,315.77 and 5,465,901.61 is: 8,198,852.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991,543.85 : 20,987,315.77 = 5,465,901.61 : x
  2. Step 2: Convert to fraction form
    13,991,543.85/20,987,315.77 = 5,465,901.61/x
  3. Step 3: Cross multiply
    13,991,543.85x = 20,987,315.77 × 5,465,901.61
  4. Step 4: Simplify right side
    13,991,543.85x = 114,714,603,056,821.39
  5. Step 5: Solve for x
    x = 114,714,603,056,821.39/13,991,543.85
  6. Step 6: Final answer
    x = 8,198,852.41

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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.