Home / 14,212,937.20-21,319,409.48-3,979,304.68

Finding the Fourth Proportional to 14,212,937.20, 21,319,409.48 and 3,979,304.68

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Solution

The fourth proportional to 14,212,937.20, 21,319,409.48 and 3,979,304.68 is: 5,968,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212,937.20 : 21,319,409.48 = 3,979,304.68 : x
  2. Step 2: Convert to fraction form
    14,212,937.20/21,319,409.48 = 3,979,304.68/x
  3. Step 3: Cross multiply
    14,212,937.20x = 21,319,409.48 × 3,979,304.68
  4. Step 4: Simplify right side
    14,212,937.20x = 84,836,425,918,600.38
  5. Step 5: Solve for x
    x = 84,836,425,918,600.38/14,212,937.20
  6. Step 6: Final answer
    x = 5,968,958.05

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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.