Home / 12,738,942.45-17,580,238.21-7,232,829.62

Finding the Fourth Proportional to 12,738,942.45, 17,580,238.21 and 7,232,829.62

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Solution

The fourth proportional to 12,738,942.45, 17,580,238.21 and 7,232,829.62 is: 9,981,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738,942.45 : 17,580,238.21 = 7,232,829.62 : x
  2. Step 2: Convert to fraction form
    12,738,942.45/17,580,238.21 = 7,232,829.62/x
  3. Step 3: Cross multiply
    12,738,942.45x = 17,580,238.21 × 7,232,829.62
  4. Step 4: Simplify right side
    12,738,942.45x = 127,154,867,573,083.62
  5. Step 5: Solve for x
    x = 127,154,867,573,083.62/12,738,942.45
  6. Step 6: Final answer
    x = 9,981,587.41

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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.