Home / 13,035,878.26-17,981,329.20-7,733,819.42

Finding the Fourth Proportional to 13,035,878.26, 17,981,329.20 and 7,733,819.42

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Solution

The fourth proportional to 13,035,878.26, 17,981,329.20 and 7,733,819.42 is: 10,667,816.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035,878.26 : 17,981,329.20 = 7,733,819.42 : x
  2. Step 2: Convert to fraction form
    13,035,878.26/17,981,329.20 = 7,733,819.42/x
  3. Step 3: Cross multiply
    13,035,878.26x = 17,981,329.20 × 7,733,819.42
  4. Step 4: Simplify right side
    13,035,878.26x = 139,064,352,912,894.58
  5. Step 5: Solve for x
    x = 139,064,352,912,894.58/13,035,878.26
  6. Step 6: Final answer
    x = 10,667,816.17

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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.