Home / 18,958,157.08-28,420,165.17-6,819,087.82

Finding the Fourth Proportional to 18,958,157.08, 28,420,165.17 and 6,819,087.82

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Solution

The fourth proportional to 18,958,157.08, 28,420,165.17 and 6,819,087.82 is: 10,222,491.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958,157.08 : 28,420,165.17 = 6,819,087.82 : x
  2. Step 2: Convert to fraction form
    18,958,157.08/28,420,165.17 = 6,819,087.82/x
  3. Step 3: Cross multiply
    18,958,157.08x = 28,420,165.17 × 6,819,087.82
  4. Step 4: Simplify right side
    18,958,157.08x = 193,799,602,153,135.25
  5. Step 5: Solve for x
    x = 193,799,602,153,135.25/18,958,157.08
  6. Step 6: Final answer
    x = 10,222,491.63

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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.