Home / 38,575,015.55-53,233,660.82-20,933,914.27

Finding the Fourth Proportional to 38,575,015.55, 53,233,660.82 and 20,933,914.27

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Solution

The fourth proportional to 38,575,015.55, 53,233,660.82 and 20,933,914.27 is: 28,888,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,575,015.55 : 53,233,660.82 = 20,933,914.27 : x
  2. Step 2: Convert to fraction form
    38,575,015.55/53,233,660.82 = 20,933,914.27/x
  3. Step 3: Cross multiply
    38,575,015.55x = 53,233,660.82 × 20,933,914.27
  4. Step 4: Simplify right side
    38,575,015.55x = 1,114,388,891,803,388.38
  5. Step 5: Solve for x
    x = 1,114,388,891,803,388.38/38,575,015.55
  6. Step 6: Final answer
    x = 28,888,877.32

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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.