Home / 13,556,702.16-20,335,049.19-3,972,078

Finding the Fourth Proportional to 13,556,702.16, 20,335,049.19 and 3,972,078

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Solution

The fourth proportional to 13,556,702.16, 20,335,049.19 and 3,972,078 is: 5,958,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556,702.16 : 20,335,049.19 = 3,972,078 : x
  2. Step 2: Convert to fraction form
    13,556,702.16/20,335,049.19 = 3,972,078/x
  3. Step 3: Cross multiply
    13,556,702.16x = 20,335,049.19 × 3,972,078
  4. Step 4: Simplify right side
    13,556,702.16x = 80,772,401,516,516.83
  5. Step 5: Solve for x
    x = 80,772,401,516,516.83/13,556,702.16
  6. Step 6: Final answer
    x = 5,958,115.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.