Home / 38,164,221.36-52,666,585.56-20,760,525

Finding the Fourth Proportional to 38,164,221.36, 52,666,585.56 and 20,760,525

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Solution

The fourth proportional to 38,164,221.36, 52,666,585.56 and 20,760,525 is: 28,649,502.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,164,221.36 : 52,666,585.56 = 20,760,525 : x
  2. Step 2: Convert to fraction form
    38,164,221.36/52,666,585.56 = 20,760,525/x
  3. Step 3: Cross multiply
    38,164,221.36x = 52,666,585.56 × 20,760,525
  4. Step 4: Simplify right side
    38,164,221.36x = 1,093,385,966,183,019
  5. Step 5: Solve for x
    x = 1,093,385,966,183,019/38,164,221.36
  6. Step 6: Final answer
    x = 28,649,502.79

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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.