Home / 28,860,492.80-43,315,233.60-11,833,385.60

Finding the Fourth Proportional to 28,860,492.80, 43,315,233.60 and 11,833,385.60

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Solution

The fourth proportional to 28,860,492.80, 43,315,233.60 and 11,833,385.60 is: 17,760,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860,492.80 : 43,315,233.60 = 11,833,385.60 : x
  2. Step 2: Convert to fraction form
    28,860,492.80/43,315,233.60 = 11,833,385.60/x
  3. Step 3: Cross multiply
    28,860,492.80x = 43,315,233.60 × 11,833,385.60
  4. Step 4: Simplify right side
    28,860,492.80x = 512,565,861,542,876.19
  5. Step 5: Solve for x
    x = 512,565,861,542,876.19/28,860,492.80
  6. Step 6: Final answer
    x = 17,760,121.60

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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.