Home / 28,474,520.96-39,298,291.44-16,085,136.80

Finding the Fourth Proportional to 28,474,520.96, 39,298,291.44 and 16,085,136.80

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Solution

The fourth proportional to 28,474,520.96, 39,298,291.44 and 16,085,136.80 is: 22,199,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,474,520.96 : 39,298,291.44 = 16,085,136.80 : x
  2. Step 2: Convert to fraction form
    28,474,520.96/39,298,291.44 = 16,085,136.80/x
  3. Step 3: Cross multiply
    28,474,520.96x = 39,298,291.44 × 16,085,136.80
  4. Step 4: Simplify right side
    28,474,520.96x = 632,118,393,818,669
  5. Step 5: Solve for x
    x = 632,118,393,818,669/28,474,520.96
  6. Step 6: Final answer
    x = 22,199,439.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.