Home / 21,714,843.07-29,966,404.78-11,925,920.98

Finding the Fourth Proportional to 21,714,843.07, 29,966,404.78 and 11,925,920.98

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Solution

The fourth proportional to 21,714,843.07, 29,966,404.78 and 11,925,920.98 is: 16,457,727.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,714,843.07 : 29,966,404.78 = 11,925,920.98 : x
  2. Step 2: Convert to fraction form
    21,714,843.07/29,966,404.78 = 11,925,920.98/x
  3. Step 3: Cross multiply
    21,714,843.07x = 29,966,404.78 × 11,925,920.98
  4. Step 4: Simplify right side
    21,714,843.07x = 357,376,975,460,974.31
  5. Step 5: Solve for x
    x = 357,376,975,460,974.31/21,714,843.07
  6. Step 6: Final answer
    x = 16,457,727.75

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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.