Home / 18,686,530.80-28,003,552.20-14,854,906.80

Finding the Fourth Proportional to 18,686,530.80, 28,003,552.20 and 14,854,906.80

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Solution

The fourth proportional to 18,686,530.80, 28,003,552.20 and 14,854,906.80 is: 22,261,497.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,530.80 : 28,003,552.20 = 14,854,906.80 : x
  2. Step 2: Convert to fraction form
    18,686,530.80/28,003,552.20 = 14,854,906.80/x
  3. Step 3: Cross multiply
    18,686,530.80x = 28,003,552.20 × 14,854,906.80
  4. Step 4: Simplify right side
    18,686,530.80x = 415,990,157,999,935
  5. Step 5: Solve for x
    x = 415,990,157,999,935/18,686,530.80
  6. Step 6: Final answer
    x = 22,261,497.46

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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.