Home / 18,783,633.60-28,159,047.90-7,276,951.80

Finding the Fourth Proportional to 18,783,633.60, 28,159,047.90 and 7,276,951.80

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Solution

The fourth proportional to 18,783,633.60, 28,159,047.90 and 7,276,951.80 is: 10,909,073.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783,633.60 : 28,159,047.90 = 7,276,951.80 : x
  2. Step 2: Convert to fraction form
    18,783,633.60/28,159,047.90 = 7,276,951.80/x
  3. Step 3: Cross multiply
    18,783,633.60x = 28,159,047.90 × 7,276,951.80
  4. Step 4: Simplify right side
    18,783,633.60x = 204,912,034,302,191.22
  5. Step 5: Solve for x
    x = 204,912,034,302,191.22/18,783,633.60
  6. Step 6: Final answer
    x = 10,909,073.22

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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.