Home / 36,442,534.36-50,288,300.94-20,970,121.72

Finding the Fourth Proportional to 36,442,534.36, 50,288,300.94 and 20,970,121.72

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Solution

The fourth proportional to 36,442,534.36, 50,288,300.94 and 20,970,121.72 is: 28,937,388.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,442,534.36 : 50,288,300.94 = 20,970,121.72 : x
  2. Step 2: Convert to fraction form
    36,442,534.36/50,288,300.94 = 20,970,121.72/x
  3. Step 3: Cross multiply
    36,442,534.36x = 50,288,300.94 × 20,970,121.72
  4. Step 4: Simplify right side
    36,442,534.36x = 1,054,551,791,803,790.25
  5. Step 5: Solve for x
    x = 1,054,551,791,803,790.25/36,442,534.36
  6. Step 6: Final answer
    x = 28,937,388.97

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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.