Home / 18,501,419.80-27,756,066.30-5,723,216.20

Finding the Fourth Proportional to 18,501,419.80, 27,756,066.30 and 5,723,216.20

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Solution

The fourth proportional to 18,501,419.80, 27,756,066.30 and 5,723,216.20 is: 8,586,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501,419.80 : 27,756,066.30 = 5,723,216.20 : x
  2. Step 2: Convert to fraction form
    18,501,419.80/27,756,066.30 = 5,723,216.20/x
  3. Step 3: Cross multiply
    18,501,419.80x = 27,756,066.30 × 5,723,216.20
  4. Step 4: Simplify right side
    18,501,419.80x = 158,853,968,296,434.06
  5. Step 5: Solve for x
    x = 158,853,968,296,434.06/18,501,419.80
  6. Step 6: Final answer
    x = 8,586,042.05

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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.