Home / 21,263,251.20-31,899,542.40-6,886,982.40

Finding the Fourth Proportional to 21,263,251.20, 31,899,542.40 and 6,886,982.40

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Solution

The fourth proportional to 21,263,251.20, 31,899,542.40 and 6,886,982.40 is: 10,331,984.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263,251.20 : 31,899,542.40 = 6,886,982.40 : x
  2. Step 2: Convert to fraction form
    21,263,251.20/31,899,542.40 = 6,886,982.40/x
  3. Step 3: Cross multiply
    21,263,251.20x = 31,899,542.40 × 6,886,982.40
  4. Step 4: Simplify right side
    21,263,251.20x = 219,691,587,076,853.75
  5. Step 5: Solve for x
    x = 219,691,587,076,853.75/21,263,251.20
  6. Step 6: Final answer
    x = 10,331,984.75

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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.