Home / 13,163,207.92-18,165,100.44-7,361,920.24

Finding the Fourth Proportional to 13,163,207.92, 18,165,100.44 and 7,361,920.24

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Solution

The fourth proportional to 13,163,207.92, 18,165,100.44 and 7,361,920.24 is: 10,159,379.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163,207.92 : 18,165,100.44 = 7,361,920.24 : x
  2. Step 2: Convert to fraction form
    13,163,207.92/18,165,100.44 = 7,361,920.24/x
  3. Step 3: Cross multiply
    13,163,207.92x = 18,165,100.44 × 7,361,920.24
  4. Step 4: Simplify right side
    13,163,207.92x = 133,730,020,590,868.92
  5. Step 5: Solve for x
    x = 133,730,020,590,868.92/13,163,207.92
  6. Step 6: Final answer
    x = 10,159,379.19

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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.