Home / 13,981,484.90-19,295,047.73-7,786,531.54

Finding the Fourth Proportional to 13,981,484.90, 19,295,047.73 and 7,786,531.54

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Solution

The fourth proportional to 13,981,484.90, 19,295,047.73 and 7,786,531.54 is: 10,745,746.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981,484.90 : 19,295,047.73 = 7,786,531.54 : x
  2. Step 2: Convert to fraction form
    13,981,484.90/19,295,047.73 = 7,786,531.54/x
  3. Step 3: Cross multiply
    13,981,484.90x = 19,295,047.73 × 7,786,531.54
  4. Step 4: Simplify right side
    13,981,484.90x = 150,241,497,715,450.41
  5. Step 5: Solve for x
    x = 150,241,497,715,450.41/13,981,484.90
  6. Step 6: Final answer
    x = 10,745,746.88

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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.