Home / 28,389,620.90-42,584,431.35-16,408,360.10

Finding the Fourth Proportional to 28,389,620.90, 42,584,431.35 and 16,408,360.10

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Solution

The fourth proportional to 28,389,620.90, 42,584,431.35 and 16,408,360.10 is: 24,612,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,389,620.90 : 42,584,431.35 = 16,408,360.10 : x
  2. Step 2: Convert to fraction form
    28,389,620.90/42,584,431.35 = 16,408,360.10/x
  3. Step 3: Cross multiply
    28,389,620.90x = 42,584,431.35 × 16,408,360.10
  4. Step 4: Simplify right side
    28,389,620.90x = 698,740,684,244,529.12
  5. Step 5: Solve for x
    x = 698,740,684,244,529.12/28,389,620.90
  6. Step 6: Final answer
    x = 24,612,540.15

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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.