Home / 20,171,763.20-30,257,644.80-6,708,591.20

Finding the Fourth Proportional to 20,171,763.20, 30,257,644.80 and 6,708,591.20

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Solution

The fourth proportional to 20,171,763.20, 30,257,644.80 and 6,708,591.20 is: 10,062,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171,763.20 : 30,257,644.80 = 6,708,591.20 : x
  2. Step 2: Convert to fraction form
    20,171,763.20/30,257,644.80 = 6,708,591.20/x
  3. Step 3: Cross multiply
    20,171,763.20x = 30,257,644.80 × 6,708,591.20
  4. Step 4: Simplify right side
    20,171,763.20x = 202,986,169,638,005.78
  5. Step 5: Solve for x
    x = 202,986,169,638,005.78/20,171,763.20
  6. Step 6: Final answer
    x = 10,062,886.80

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1.5x scale

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.