Home / 20,708,426.30-31,062,639.44-6,331,494.11

Finding the Fourth Proportional to 20,708,426.30, 31,062,639.44 and 6,331,494.11

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Solution

The fourth proportional to 20,708,426.30, 31,062,639.44 and 6,331,494.11 is: 9,497,241.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,708,426.30 : 31,062,639.44 = 6,331,494.11 : x
  2. Step 2: Convert to fraction form
    20,708,426.30/31,062,639.44 = 6,331,494.11/x
  3. Step 3: Cross multiply
    20,708,426.30x = 31,062,639.44 × 6,331,494.11
  4. Step 4: Simplify right side
    20,708,426.30x = 196,672,918,515,929.25
  5. Step 5: Solve for x
    x = 196,672,918,515,929.25/20,708,426.30
  6. Step 6: Final answer
    x = 9,497,241.16

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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.