Home / 13,504,873.74-18,636,723.45-7,309,919.22

Finding the Fourth Proportional to 13,504,873.74, 18,636,723.45 and 7,309,919.22

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Solution

The fourth proportional to 13,504,873.74, 18,636,723.45 and 7,309,919.22 is: 10,087,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504,873.74 : 18,636,723.45 = 7,309,919.22 : x
  2. Step 2: Convert to fraction form
    13,504,873.74/18,636,723.45 = 7,309,919.22/x
  3. Step 3: Cross multiply
    13,504,873.74x = 18,636,723.45 × 7,309,919.22
  4. Step 4: Simplify right side
    13,504,873.74x = 136,232,942,944,979.70
  5. Step 5: Solve for x
    x = 136,232,942,944,979.70/13,504,873.74
  6. Step 6: Final answer
    x = 10,087,687.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.