Home / 21,830,432.20-32,682,662.70-21,200,576.20

Finding the Fourth Proportional to 21,830,432.20, 32,682,662.70 and 21,200,576.20

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Solution

The fourth proportional to 21,830,432.20, 32,682,662.70 and 21,200,576.20 is: 31,739,695.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,830,432.20 : 32,682,662.70 = 21,200,576.20 : x
  2. Step 2: Convert to fraction form
    21,830,432.20/32,682,662.70 = 21,200,576.20/x
  3. Step 3: Cross multiply
    21,830,432.20x = 32,682,662.70 × 21,200,576.20
  4. Step 4: Simplify right side
    21,830,432.20x = 692,891,280,990,247.75
  5. Step 5: Solve for x
    x = 692,891,280,990,247.75/21,830,432.20
  6. Step 6: Final answer
    x = 31,739,695.97

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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.