Home / 20,372,680.52-30,571,590.32-9,440,832.52

Finding the Fourth Proportional to 20,372,680.52, 30,571,590.32 and 9,440,832.52

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Solution

The fourth proportional to 20,372,680.52, 30,571,590.32 and 9,440,832.52 is: 14,167,073.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,372,680.52 : 30,571,590.32 = 9,440,832.52 : x
  2. Step 2: Convert to fraction form
    20,372,680.52/30,571,590.32 = 9,440,832.52/x
  3. Step 3: Cross multiply
    20,372,680.52x = 30,571,590.32 × 9,440,832.52
  4. Step 4: Simplify right side
    20,372,680.52x = 288,621,264,081,173.19
  5. Step 5: Solve for x
    x = 288,621,264,081,173.19/20,372,680.52
  6. Step 6: Final answer
    x = 14,167,073.59

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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.