Home / 8,693,419.80-13,040,129.70-7,630,537.80

Finding the Fourth Proportional to 8,693,419.80, 13,040,129.70 and 7,630,537.80

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Solution

The fourth proportional to 8,693,419.80, 13,040,129.70 and 7,630,537.80 is: 11,445,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693,419.80 : 13,040,129.70 = 7,630,537.80 : x
  2. Step 2: Convert to fraction form
    8,693,419.80/13,040,129.70 = 7,630,537.80/x
  3. Step 3: Cross multiply
    8,693,419.80x = 13,040,129.70 × 7,630,537.80
  4. Step 4: Simplify right side
    8,693,419.80x = 99,503,202,592,752.66
  5. Step 5: Solve for x
    x = 99,503,202,592,752.66/8,693,419.80
  6. Step 6: Final answer
    x = 11,445,806.70

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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.