Home / 13,182,912.07-18,192,564.17-7,302,636.32

Finding the Fourth Proportional to 13,182,912.07, 18,192,564.17 and 7,302,636.32

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Solution

The fourth proportional to 13,182,912.07, 18,192,564.17 and 7,302,636.32 is: 10,077,718.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182,912.07 : 18,192,564.17 = 7,302,636.32 : x
  2. Step 2: Convert to fraction form
    13,182,912.07/18,192,564.17 = 7,302,636.32/x
  3. Step 3: Cross multiply
    13,182,912.07x = 18,192,564.17 × 7,302,636.32
  4. Step 4: Simplify right side
    13,182,912.07x = 132,853,679,870,740.88
  5. Step 5: Solve for x
    x = 132,853,679,870,740.88/13,182,912.07
  6. Step 6: Final answer
    x = 10,077,718.73

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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.