Home / 28,474,522.96-39,298,294.20-16,085,138.80

Finding the Fourth Proportional to 28,474,522.96, 39,298,294.20 and 16,085,138.80

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Solution

The fourth proportional to 28,474,522.96, 39,298,294.20 and 16,085,138.80 is: 22,199,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,474,522.96 : 39,298,294.20 = 16,085,138.80 : x
  2. Step 2: Convert to fraction form
    28,474,522.96/39,298,294.20 = 16,085,138.80/x
  3. Step 3: Cross multiply
    28,474,522.96x = 39,298,294.20 × 16,085,138.80
  4. Step 4: Simplify right side
    28,474,522.96x = 632,118,516,810,235
  5. Step 5: Solve for x
    x = 632,118,516,810,235/28,474,522.96
  6. Step 6: Final answer
    x = 22,199,441.86

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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.