Home / 21,144,455.96-29,177,009.10-11,725,010.12

Finding the Fourth Proportional to 21,144,455.96, 29,177,009.10 and 11,725,010.12

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Solution

The fourth proportional to 21,144,455.96, 29,177,009.10 and 11,725,010.12 is: 16,179,216.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,144,455.96 : 29,177,009.10 = 11,725,010.12 : x
  2. Step 2: Convert to fraction form
    21,144,455.96/29,177,009.10 = 11,725,010.12/x
  3. Step 3: Cross multiply
    21,144,455.96x = 29,177,009.10 × 11,725,010.12
  4. Step 4: Simplify right side
    21,144,455.96x = 342,100,726,968,832.06
  5. Step 5: Solve for x
    x = 342,100,726,968,832.06/21,144,455.96
  6. Step 6: Final answer
    x = 16,179,216.32

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Double scale
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1.5x scale

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.