Home / 21,860,025.40-32,801,385.98-8,915,672.56

Finding the Fourth Proportional to 21,860,025.40, 32,801,385.98 and 8,915,672.56

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Solution

The fourth proportional to 21,860,025.40, 32,801,385.98 and 8,915,672.56 is: 13,378,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860,025.40 : 32,801,385.98 = 8,915,672.56 : x
  2. Step 2: Convert to fraction form
    21,860,025.40/32,801,385.98 = 8,915,672.56/x
  3. Step 3: Cross multiply
    21,860,025.40x = 32,801,385.98 × 8,915,672.56
  4. Step 4: Simplify right side
    21,860,025.40x = 292,446,416,911,854.75
  5. Step 5: Solve for x
    x = 292,446,416,911,854.75/21,860,025.40
  6. Step 6: Final answer
    x = 13,378,137.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.