Home / 20,713,389.42-31,065,094.92-6,336,581.70

Finding the Fourth Proportional to 20,713,389.42, 31,065,094.92 and 6,336,581.70

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Solution

The fourth proportional to 20,713,389.42, 31,065,094.92 and 6,336,581.70 is: 9,503,346.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713,389.42 : 31,065,094.92 = 6,336,581.70 : x
  2. Step 2: Convert to fraction form
    20,713,389.42/31,065,094.92 = 6,336,581.70/x
  3. Step 3: Cross multiply
    20,713,389.42x = 31,065,094.92 × 6,336,581.70
  4. Step 4: Simplify right side
    20,713,389.42x = 196,846,511,978,834.97
  5. Step 5: Solve for x
    x = 196,846,511,978,834.97/20,713,389.42
  6. Step 6: Final answer
    x = 9,503,346.26

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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.