Home / 38,230,685.78-52,758,442.80-20,827,157.81

Finding the Fourth Proportional to 38,230,685.78, 52,758,442.80 and 20,827,157.81

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Solution

The fourth proportional to 38,230,685.78, 52,758,442.80 and 20,827,157.81 is: 28,741,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,230,685.78 : 52,758,442.80 = 20,827,157.81 : x
  2. Step 2: Convert to fraction form
    38,230,685.78/52,758,442.80 = 20,827,157.81/x
  3. Step 3: Cross multiply
    38,230,685.78x = 52,758,442.80 × 20,827,157.81
  4. Step 4: Simplify right side
    38,230,685.78x = 1,098,808,413,741,666
  5. Step 5: Solve for x
    x = 1,098,808,413,741,666/38,230,685.78
  6. Step 6: Final answer
    x = 28,741,530.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.