Home / 10,361,745.60-15,542,618.40-8,470,622.40

Finding the Fourth Proportional to 10,361,745.60, 15,542,618.40 and 8,470,622.40

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Solution

The fourth proportional to 10,361,745.60, 15,542,618.40 and 8,470,622.40 is: 12,705,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,745.60 : 15,542,618.40 = 8,470,622.40 : x
  2. Step 2: Convert to fraction form
    10,361,745.60/15,542,618.40 = 8,470,622.40/x
  3. Step 3: Cross multiply
    10,361,745.60x = 15,542,618.40 × 8,470,622.40
  4. Step 4: Simplify right side
    10,361,745.60x = 131,655,651,573,692.17
  5. Step 5: Solve for x
    x = 131,655,651,573,692.17/10,361,745.60
  6. Step 6: Final answer
    x = 12,705,933.60

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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.