Home / 7,172,446.20-9,897,979.44-4,074,975.01

Finding the Fourth Proportional to 7,172,446.20, 9,897,979.44 and 4,074,975.01

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Solution

The fourth proportional to 7,172,446.20, 9,897,979.44 and 4,074,975.01 is: 5,623,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172,446.20 : 9,897,979.44 = 4,074,975.01 : x
  2. Step 2: Convert to fraction form
    7,172,446.20/9,897,979.44 = 4,074,975.01/x
  3. Step 3: Cross multiply
    7,172,446.20x = 9,897,979.44 × 4,074,975.01
  4. Step 4: Simplify right side
    7,172,446.20x = 40,334,018,867,493.79
  5. Step 5: Solve for x
    x = 40,334,018,867,493.79/7,172,446.20
  6. Step 6: Final answer
    x = 5,623,467.61

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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.