Home / 38,113,635.96-52,597,149.78-20,709,981.48

Finding the Fourth Proportional to 38,113,635.96, 52,597,149.78 and 20,709,981.48

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Solution

The fourth proportional to 38,113,635.96, 52,597,149.78 and 20,709,981.48 is: 28,579,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,113,635.96 : 52,597,149.78 = 20,709,981.48 : x
  2. Step 2: Convert to fraction form
    38,113,635.96/52,597,149.78 = 20,709,981.48/x
  3. Step 3: Cross multiply
    38,113,635.96x = 52,597,149.78 × 20,709,981.48
  4. Step 4: Simplify right side
    38,113,635.96x = 1,089,285,997,844,586.12
  5. Step 5: Solve for x
    x = 1,089,285,997,844,586.12/38,113,635.96
  6. Step 6: Final answer
    x = 28,579,954.93

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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.