Home / 21,703,467.20-32,555,200.80-20,464,836.80

Finding the Fourth Proportional to 21,703,467.20, 32,555,200.80 and 20,464,836.80

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Solution

The fourth proportional to 21,703,467.20, 32,555,200.80 and 20,464,836.80 is: 30,697,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703,467.20 : 32,555,200.80 = 20,464,836.80 : x
  2. Step 2: Convert to fraction form
    21,703,467.20/32,555,200.80 = 20,464,836.80/x
  3. Step 3: Cross multiply
    21,703,467.20x = 32,555,200.80 × 20,464,836.80
  4. Step 4: Simplify right side
    21,703,467.20x = 666,236,871,363,229.50
  5. Step 5: Solve for x
    x = 666,236,871,363,229.50/21,703,467.20
  6. Step 6: Final answer
    x = 30,697,255.20

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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.