Home / 13,046,516.82-18,004,437.15-7,245,841.95

Finding the Fourth Proportional to 13,046,516.82, 18,004,437.15 and 7,245,841.95

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Solution

The fourth proportional to 13,046,516.82, 18,004,437.15 and 7,245,841.95 is: 9,999,397.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046,516.82 : 18,004,437.15 = 7,245,841.95 : x
  2. Step 2: Convert to fraction form
    13,046,516.82/18,004,437.15 = 7,245,841.95/x
  3. Step 3: Cross multiply
    13,046,516.82x = 18,004,437.15 × 7,245,841.95
  4. Step 4: Simplify right side
    13,046,516.82x = 130,457,305,987,608.44
  5. Step 5: Solve for x
    x = 130,457,305,987,608.44/13,046,516.82
  6. Step 6: Final answer
    x = 9,999,397.37

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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.