Home / 20,691,440.64-31,037,160.96-6,314,584.32

Finding the Fourth Proportional to 20,691,440.64, 31,037,160.96 and 6,314,584.32

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Solution

The fourth proportional to 20,691,440.64, 31,037,160.96 and 6,314,584.32 is: 9,471,876.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,691,440.64 : 31,037,160.96 = 6,314,584.32 : x
  2. Step 2: Convert to fraction form
    20,691,440.64/31,037,160.96 = 6,314,584.32/x
  3. Step 3: Cross multiply
    20,691,440.64x = 31,037,160.96 × 6,314,584.32
  4. Step 4: Simplify right side
    20,691,440.64x = 195,986,769,935,332.16
  5. Step 5: Solve for x
    x = 195,986,769,935,332.16/20,691,440.64
  6. Step 6: Final answer
    x = 9,471,876.48

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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.