Home / 13,388,330.22-18,476,285.42-7,586,919.06

Finding the Fourth Proportional to 13,388,330.22, 18,476,285.42 and 7,586,919.06

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Solution

The fourth proportional to 13,388,330.22, 18,476,285.42 and 7,586,919.06 is: 10,470,169.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388,330.22 : 18,476,285.42 = 7,586,919.06 : x
  2. Step 2: Convert to fraction form
    13,388,330.22/18,476,285.42 = 7,586,919.06/x
  3. Step 3: Cross multiply
    13,388,330.22x = 18,476,285.42 × 7,586,919.06
  4. Step 4: Simplify right side
    13,388,330.22x = 140,178,081,960,679.33
  5. Step 5: Solve for x
    x = 140,178,081,960,679.33/13,388,330.22
  6. Step 6: Final answer
    x = 10,470,169.15

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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.