Home / 10,530,611.80-15,795,917.70-8,830,000.60

Finding the Fourth Proportional to 10,530,611.80, 15,795,917.70 and 8,830,000.60

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Solution

The fourth proportional to 10,530,611.80, 15,795,917.70 and 8,830,000.60 is: 13,245,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530,611.80 : 15,795,917.70 = 8,830,000.60 : x
  2. Step 2: Convert to fraction form
    10,530,611.80/15,795,917.70 = 8,830,000.60/x
  3. Step 3: Cross multiply
    10,530,611.80x = 15,795,917.70 × 8,830,000.60
  4. Step 4: Simplify right side
    10,530,611.80x = 139,477,962,768,550.61
  5. Step 5: Solve for x
    x = 139,477,962,768,550.61/10,530,611.80
  6. Step 6: Final answer
    x = 13,245,000.90

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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.