Home / 20,708,427.30-31,062,640.94-6,331,495.11

Finding the Fourth Proportional to 20,708,427.30, 31,062,640.94 and 6,331,495.11

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Solution

The fourth proportional to 20,708,427.30, 31,062,640.94 and 6,331,495.11 is: 9,497,242.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,708,427.30 : 31,062,640.94 = 6,331,495.11 : x
  2. Step 2: Convert to fraction form
    20,708,427.30/31,062,640.94 = 6,331,495.11/x
  3. Step 3: Cross multiply
    20,708,427.30x = 31,062,640.94 × 6,331,495.11
  4. Step 4: Simplify right side
    20,708,427.30x = 196,672,959,215,295.81
  5. Step 5: Solve for x
    x = 196,672,959,215,295.81/20,708,427.30
  6. Step 6: Final answer
    x = 9,497,242.66

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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.