Home / 38,122,303.84-52,609,185.68-20,718,650.32

Finding the Fourth Proportional to 38,122,303.84, 52,609,185.68 and 20,718,650.32

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Solution

The fourth proportional to 38,122,303.84, 52,609,185.68 and 20,718,650.32 is: 28,591,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,122,303.84 : 52,609,185.68 = 20,718,650.32 : x
  2. Step 2: Convert to fraction form
    38,122,303.84/52,609,185.68 = 20,718,650.32/x
  3. Step 3: Cross multiply
    38,122,303.84x = 52,609,185.68 × 20,718,650.32
  4. Step 4: Simplify right side
    38,122,303.84x = 1,089,991,321,723,871.38
  5. Step 5: Solve for x
    x = 1,089,991,321,723,871.38/38,122,303.84
  6. Step 6: Final answer
    x = 28,591,958.30

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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.