Home / 21,388,043.20-32,082,064.80-16,349,195.20

Finding the Fourth Proportional to 21,388,043.20, 32,082,064.80 and 16,349,195.20

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Solution

The fourth proportional to 21,388,043.20, 32,082,064.80 and 16,349,195.20 is: 24,523,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388,043.20 : 32,082,064.80 = 16,349,195.20 : x
  2. Step 2: Convert to fraction form
    21,388,043.20/32,082,064.80 = 16,349,195.20/x
  3. Step 3: Cross multiply
    21,388,043.20x = 32,082,064.80 × 16,349,195.20
  4. Step 4: Simplify right side
    21,388,043.20x = 524,515,939,834,248.94
  5. Step 5: Solve for x
    x = 524,515,939,834,248.94/21,388,043.20
  6. Step 6: Final answer
    x = 24,523,792.80

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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.