Home / 12,197,473.05-18,290,323.89-7,081,190.90

Finding the Fourth Proportional to 12,197,473.05, 18,290,323.89 and 7,081,190.90

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Solution

The fourth proportional to 12,197,473.05, 18,290,323.89 and 7,081,190.90 is: 10,618,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197,473.05 : 18,290,323.89 = 7,081,190.90 : x
  2. Step 2: Convert to fraction form
    12,197,473.05/18,290,323.89 = 7,081,190.90/x
  3. Step 3: Cross multiply
    12,197,473.05x = 18,290,323.89 × 7,081,190.90
  4. Step 4: Simplify right side
    12,197,473.05x = 129,517,274,996,468.98
  5. Step 5: Solve for x
    x = 129,517,274,996,468.98/12,197,473.05
  6. Step 6: Final answer
    x = 10,618,369.43

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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.