Home / 20,485,006.80-30,723,573.60-6,108,543.60

Finding the Fourth Proportional to 20,485,006.80, 30,723,573.60 and 6,108,543.60

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Solution

The fourth proportional to 20,485,006.80, 30,723,573.60 and 6,108,543.60 is: 9,161,641.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,485,006.80 : 30,723,573.60 = 6,108,543.60 : x
  2. Step 2: Convert to fraction form
    20,485,006.80/30,723,573.60 = 6,108,543.60/x
  3. Step 3: Cross multiply
    20,485,006.80x = 30,723,573.60 × 6,108,543.60
  4. Step 4: Simplify right side
    20,485,006.80x = 187,676,288,883,408.97
  5. Step 5: Solve for x
    x = 187,676,288,883,408.97/20,485,006.80
  6. Step 6: Final answer
    x = 9,161,641.52

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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.