Home / 13,567,615.86-18,723,295.59-7,372,647.73

Finding the Fourth Proportional to 13,567,615.86, 18,723,295.59 and 7,372,647.73

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Solution

The fourth proportional to 13,567,615.86, 18,723,295.59 and 7,372,647.73 is: 10,174,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567,615.86 : 18,723,295.59 = 7,372,647.73 : x
  2. Step 2: Convert to fraction form
    13,567,615.86/18,723,295.59 = 7,372,647.73/x
  3. Step 3: Cross multiply
    13,567,615.86x = 18,723,295.59 × 7,372,647.73
  4. Step 4: Simplify right side
    13,567,615.86x = 138,040,262,829,449.25
  5. Step 5: Solve for x
    x = 138,040,262,829,449.25/13,567,615.86
  6. Step 6: Final answer
    x = 10,174,246.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.