Home / 20,663,899.31-31,000,333.11-6,286,593.42

Finding the Fourth Proportional to 20,663,899.31, 31,000,333.11 and 6,286,593.42

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Solution

The fourth proportional to 20,663,899.31, 31,000,333.11 and 6,286,593.42 is: 9,431,254.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,663,899.31 : 31,000,333.11 = 6,286,593.42 : x
  2. Step 2: Convert to fraction form
    20,663,899.31/31,000,333.11 = 6,286,593.42/x
  3. Step 3: Cross multiply
    20,663,899.31x = 31,000,333.11 × 6,286,593.42
  4. Step 4: Simplify right side
    20,663,899.31x = 194,886,490,147,134.12
  5. Step 5: Solve for x
    x = 194,886,490,147,134.12/20,663,899.31
  6. Step 6: Final answer
    x = 9,431,254.34

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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.