Home / 12,341,539.20-18,522,806.40-5,528,596.80

Finding the Fourth Proportional to 12,341,539.20, 18,522,806.40 and 5,528,596.80

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Solution

The fourth proportional to 12,341,539.20, 18,522,806.40 and 5,528,596.80 is: 8,297,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341,539.20 : 18,522,806.40 = 5,528,596.80 : x
  2. Step 2: Convert to fraction form
    12,341,539.20/18,522,806.40 = 5,528,596.80/x
  3. Step 3: Cross multiply
    12,341,539.20x = 18,522,806.40 × 5,528,596.80
  4. Step 4: Simplify right side
    12,341,539.20x = 102,405,128,190,059.52
  5. Step 5: Solve for x
    x = 102,405,128,190,059.52/12,341,539.20
  6. Step 6: Final answer
    x = 8,297,597.77

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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.