Home / 18,178,840.35-25,095,890.52-11,305,536.75

Finding the Fourth Proportional to 18,178,840.35, 25,095,890.52 and 11,305,536.75

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Solution

The fourth proportional to 18,178,840.35, 25,095,890.52 and 11,305,536.75 is: 15,607,294.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178,840.35 : 25,095,890.52 = 11,305,536.75 : x
  2. Step 2: Convert to fraction form
    18,178,840.35/25,095,890.52 = 11,305,536.75/x
  3. Step 3: Cross multiply
    18,178,840.35x = 25,095,890.52 × 11,305,536.75
  4. Step 4: Simplify right side
    18,178,840.35x = 283,722,512,547,836.62
  5. Step 5: Solve for x
    x = 283,722,512,547,836.62/18,178,840.35
  6. Step 6: Final answer
    x = 15,607,294.36

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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.