Home / 12,666,211.94-18,998,841.62-3,690,530.66

Finding the Fourth Proportional to 12,666,211.94, 18,998,841.62 and 3,690,530.66

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Solution

The fourth proportional to 12,666,211.94, 18,998,841.62 and 3,690,530.66 is: 5,535,657.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,666,211.94 : 18,998,841.62 = 3,690,530.66 : x
  2. Step 2: Convert to fraction form
    12,666,211.94/18,998,841.62 = 3,690,530.66/x
  3. Step 3: Cross multiply
    12,666,211.94x = 18,998,841.62 × 3,690,530.66
  4. Step 4: Simplify right side
    12,666,211.94x = 70,115,807,389,647.20
  5. Step 5: Solve for x
    x = 70,115,807,389,647.20/12,666,211.94
  6. Step 6: Final answer
    x = 5,535,657.21

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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.