Home / 18,958,158.08-28,420,166.67-6,819,088.82

Finding the Fourth Proportional to 18,958,158.08, 28,420,166.67 and 6,819,088.82

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Solution

The fourth proportional to 18,958,158.08, 28,420,166.67 and 6,819,088.82 is: 10,222,493.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958,158.08 : 28,420,166.67 = 6,819,088.82 : x
  2. Step 2: Convert to fraction form
    18,958,158.08/28,420,166.67 = 6,819,088.82/x
  3. Step 3: Cross multiply
    18,958,158.08x = 28,420,166.67 × 6,819,088.82
  4. Step 4: Simplify right side
    18,958,158.08x = 193,799,640,801,933.66
  5. Step 5: Solve for x
    x = 193,799,640,801,933.66/18,958,158.08
  6. Step 6: Final answer
    x = 10,222,493.13

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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.