Home / 10,530,610.80-15,795,916.20-8,829,999.60

Finding the Fourth Proportional to 10,530,610.80, 15,795,916.20 and 8,829,999.60

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Solution

The fourth proportional to 10,530,610.80, 15,795,916.20 and 8,829,999.60 is: 13,244,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530,610.80 : 15,795,916.20 = 8,829,999.60 : x
  2. Step 2: Convert to fraction form
    10,530,610.80/15,795,916.20 = 8,829,999.60/x
  3. Step 3: Cross multiply
    10,530,610.80x = 15,795,916.20 × 8,829,999.60
  4. Step 4: Simplify right side
    10,530,610.80x = 139,477,933,727,633.50
  5. Step 5: Solve for x
    x = 139,477,933,727,633.50/10,530,610.80
  6. Step 6: Final answer
    x = 13,244,999.40

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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.