Home / 38,113,786.08-52,597,356.96-20,710,131.21

Finding the Fourth Proportional to 38,113,786.08, 52,597,356.96 and 20,710,131.21

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Solution

The fourth proportional to 38,113,786.08, 52,597,356.96 and 20,710,131.21 is: 28,580,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,113,786.08 : 52,597,356.96 = 20,710,131.21 : x
  2. Step 2: Convert to fraction form
    38,113,786.08/52,597,356.96 = 20,710,131.21/x
  3. Step 3: Cross multiply
    38,113,786.08x = 52,597,356.96 × 20,710,131.21
  4. Step 4: Simplify right side
    38,113,786.08x = 1,089,298,163,940,806.75
  5. Step 5: Solve for x
    x = 1,089,298,163,940,806.75/38,113,786.08
  6. Step 6: Final answer
    x = 28,580,161.56

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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.