Home / 21,053,792.04-29,052,611.46-11,887,339.56

Finding the Fourth Proportional to 21,053,792.04, 29,052,611.46 and 11,887,339.56

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Solution

The fourth proportional to 21,053,792.04, 29,052,611.46 and 11,887,339.56 is: 16,403,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,053,792.04 : 29,052,611.46 = 11,887,339.56 : x
  2. Step 2: Convert to fraction form
    21,053,792.04/29,052,611.46 = 11,887,339.56/x
  3. Step 3: Cross multiply
    21,053,792.04x = 29,052,611.46 × 11,887,339.56
  4. Step 4: Simplify right side
    21,053,792.04x = 345,358,257,529,767.38
  5. Step 5: Solve for x
    x = 345,358,257,529,767.38/21,053,792.04
  6. Step 6: Final answer
    x = 16,403,613.03

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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.