Home / 10,223,169.60-15,321,729.60-5,433,153.60

Finding the Fourth Proportional to 10,223,169.60, 15,321,729.60 and 5,433,153.60

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Solution

The fourth proportional to 10,223,169.60, 15,321,729.60 and 5,433,153.60 is: 8,142,808.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223,169.60 : 15,321,729.60 = 5,433,153.60 : x
  2. Step 2: Convert to fraction form
    10,223,169.60/15,321,729.60 = 5,433,153.60/x
  3. Step 3: Cross multiply
    10,223,169.60x = 15,321,729.60 × 5,433,153.60
  4. Step 4: Simplify right side
    10,223,169.60x = 83,245,310,334,466.55
  5. Step 5: Solve for x
    x = 83,245,310,334,466.55/10,223,169.60
  6. Step 6: Final answer
    x = 8,142,808.31

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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.