Home / 38,786,175.51-53,525,334.51-21,383,144.07

Finding the Fourth Proportional to 38,786,175.51, 53,525,334.51 and 21,383,144.07

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Solution

The fourth proportional to 38,786,175.51, 53,525,334.51 and 21,383,144.07 is: 29,508,966.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,786,175.51 : 53,525,334.51 = 21,383,144.07 : x
  2. Step 2: Convert to fraction form
    38,786,175.51/53,525,334.51 = 21,383,144.07/x
  3. Step 3: Cross multiply
    38,786,175.51x = 53,525,334.51 × 21,383,144.07
  4. Step 4: Simplify right side
    38,786,175.51x = 1,144,539,939,222,272.75
  5. Step 5: Solve for x
    x = 1,144,539,939,222,272.75/38,786,175.51
  6. Step 6: Final answer
    x = 29,508,966.12

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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.