Home / 21,784,218.60-32,605,469.10-16,965,820.20

Finding the Fourth Proportional to 21,784,218.60, 32,605,469.10 and 16,965,820.20

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Solution

The fourth proportional to 21,784,218.60, 32,605,469.10 and 16,965,820.20 is: 25,393,544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,784,218.60 : 32,605,469.10 = 16,965,820.20 : x
  2. Step 2: Convert to fraction form
    21,784,218.60/32,605,469.10 = 16,965,820.20/x
  3. Step 3: Cross multiply
    21,784,218.60x = 32,605,469.10 × 16,965,820.20
  4. Step 4: Simplify right side
    21,784,218.60x = 553,178,526,287,255.81
  5. Step 5: Solve for x
    x = 553,178,526,287,255.81/21,784,218.60
  6. Step 6: Final answer
    x = 25,393,544.59

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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.