Home / 18,619,466.18-27,930,249.78-5,666,039.00

Finding the Fourth Proportional to 18,619,466.18, 27,930,249.78 and 5,666,039.00

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Solution

The fourth proportional to 18,619,466.18, 27,930,249.78 and 5,666,039.00 is: 8,499,378.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,619,466.18 : 27,930,249.78 = 5,666,039.00 : x
  2. Step 2: Convert to fraction form
    18,619,466.18/27,930,249.78 = 5,666,039.00/x
  3. Step 3: Cross multiply
    18,619,466.18x = 27,930,249.78 × 5,666,039.00
  4. Step 4: Simplify right side
    18,619,466.18x = 158,253,884,393,570.19
  5. Step 5: Solve for x
    x = 158,253,884,393,570.19/18,619,466.18
  6. Step 6: Final answer
    x = 8,499,378.17

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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.