Home / 21,568,384.20-32,352,576.30-16,749,985.80

Finding the Fourth Proportional to 21,568,384.20, 32,352,576.30 and 16,749,985.80

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Solution

The fourth proportional to 21,568,384.20, 32,352,576.30 and 16,749,985.80 is: 25,124,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,568,384.20 : 32,352,576.30 = 16,749,985.80 : x
  2. Step 2: Convert to fraction form
    21,568,384.20/32,352,576.30 = 16,749,985.80/x
  3. Step 3: Cross multiply
    21,568,384.20x = 32,352,576.30 × 16,749,985.80
  4. Step 4: Simplify right side
    21,568,384.20x = 541,905,193,618,416.56
  5. Step 5: Solve for x
    x = 541,905,193,618,416.56/21,568,384.20
  6. Step 6: Final answer
    x = 25,124,978.70

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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.