Home / 20,708,472.42-31,062,708.72-6,331,540.32

Finding the Fourth Proportional to 20,708,472.42, 31,062,708.72 and 6,331,540.32

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Solution

The fourth proportional to 20,708,472.42, 31,062,708.72 and 6,331,540.32 is: 9,497,310.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,708,472.42 : 31,062,708.72 = 6,331,540.32 : x
  2. Step 2: Convert to fraction form
    20,708,472.42/31,062,708.72 = 6,331,540.32/x
  3. Step 3: Cross multiply
    20,708,472.42x = 31,062,708.72 × 6,331,540.32
  4. Step 4: Simplify right side
    20,708,472.42x = 196,674,792,709,095.59
  5. Step 5: Solve for x
    x = 196,674,792,709,095.59/20,708,472.42
  6. Step 6: Final answer
    x = 9,497,310.51

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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.