Home / 13,358,609.76-20,040,294.96-4,262,702.88

Finding the Fourth Proportional to 13,358,609.76, 20,040,294.96 and 4,262,702.88

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Solution

The fourth proportional to 13,358,609.76, 20,040,294.96 and 4,262,702.88 is: 6,394,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358,609.76 : 20,040,294.96 = 4,262,702.88 : x
  2. Step 2: Convert to fraction form
    13,358,609.76/20,040,294.96 = 4,262,702.88/x
  3. Step 3: Cross multiply
    13,358,609.76x = 20,040,294.96 × 4,262,702.88
  4. Step 4: Simplify right side
    13,358,609.76x = 85,425,823,042,041.48
  5. Step 5: Solve for x
    x = 85,425,823,042,041.48/13,358,609.76
  6. Step 6: Final answer
    x = 6,394,813.87

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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.