Home / 10,946,430.80-16,419,646.20-9,245,819.60

Finding the Fourth Proportional to 10,946,430.80, 16,419,646.20 and 9,245,819.60

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Solution

The fourth proportional to 10,946,430.80, 16,419,646.20 and 9,245,819.60 is: 13,868,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946,430.80 : 16,419,646.20 = 9,245,819.60 : x
  2. Step 2: Convert to fraction form
    10,946,430.80/16,419,646.20 = 9,245,819.60/x
  3. Step 3: Cross multiply
    10,946,430.80x = 16,419,646.20 × 9,245,819.60
  4. Step 4: Simplify right side
    10,946,430.80x = 151,813,086,661,025.50
  5. Step 5: Solve for x
    x = 151,813,086,661,025.50/10,946,430.80
  6. Step 6: Final answer
    x = 13,868,729.40

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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.