Home / 18,139,275.92-25,031,696.04-9,879,157.04

Finding the Fourth Proportional to 18,139,275.92, 25,031,696.04 and 9,879,157.04

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Solution

The fourth proportional to 18,139,275.92, 25,031,696.04 and 9,879,157.04 is: 13,632,961.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139,275.92 : 25,031,696.04 = 9,879,157.04 : x
  2. Step 2: Convert to fraction form
    18,139,275.92/25,031,696.04 = 9,879,157.04/x
  3. Step 3: Cross multiply
    18,139,275.92x = 25,031,696.04 × 9,879,157.04
  4. Step 4: Simplify right side
    18,139,275.92x = 247,292,056,156,706.09
  5. Step 5: Solve for x
    x = 247,292,056,156,706.09/18,139,275.92
  6. Step 6: Final answer
    x = 13,632,961.83

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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.