Home / 13,783,276.40-20,674,914.60-9,478,604.30

Finding the Fourth Proportional to 13,783,276.40, 20,674,914.60 and 9,478,604.30

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Solution

The fourth proportional to 13,783,276.40, 20,674,914.60 and 9,478,604.30 is: 14,217,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783,276.40 : 20,674,914.60 = 9,478,604.30 : x
  2. Step 2: Convert to fraction form
    13,783,276.40/20,674,914.60 = 9,478,604.30/x
  3. Step 3: Cross multiply
    13,783,276.40x = 20,674,914.60 × 9,478,604.30
  4. Step 4: Simplify right side
    13,783,276.40x = 195,969,334,429,692.81
  5. Step 5: Solve for x
    x = 195,969,334,429,692.81/13,783,276.40
  6. Step 6: Final answer
    x = 14,217,906.45

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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.