Home / 20,463,346.60-30,719,903.10-15,374,732.20

Finding the Fourth Proportional to 20,463,346.60, 30,719,903.10 and 15,374,732.20

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Solution

The fourth proportional to 20,463,346.60, 30,719,903.10 and 15,374,732.20 is: 23,080,793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463,346.60 : 30,719,903.10 = 15,374,732.20 : x
  2. Step 2: Convert to fraction form
    20,463,346.60/30,719,903.10 = 15,374,732.20/x
  3. Step 3: Cross multiply
    20,463,346.60x = 30,719,903.10 × 15,374,732.20
  4. Step 4: Simplify right side
    20,463,346.60x = 472,310,283,372,449.81
  5. Step 5: Solve for x
    x = 472,310,283,372,449.81/20,463,346.60
  6. Step 6: Final answer
    x = 23,080,793.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.