Home / 29,379,431.30-40,500,884.66-20,531,411.89

Finding the Fourth Proportional to 29,379,431.30, 40,500,884.66 and 20,531,411.89

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Solution

The fourth proportional to 29,379,431.30, 40,500,884.66 and 20,531,411.89 is: 28,303,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379,431.30 : 40,500,884.66 = 20,531,411.89 : x
  2. Step 2: Convert to fraction form
    29,379,431.30/40,500,884.66 = 20,531,411.89/x
  3. Step 3: Cross multiply
    29,379,431.30x = 40,500,884.66 × 20,531,411.89
  4. Step 4: Simplify right side
    29,379,431.30x = 831,540,344,659,933.38
  5. Step 5: Solve for x
    x = 831,540,344,659,933.38/29,379,431.30
  6. Step 6: Final answer
    x = 28,303,486.76

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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.