Home / 18,870,416.30-28,302,470.90-5,224,942.03

Finding the Fourth Proportional to 18,870,416.30, 28,302,470.90 and 5,224,942.03

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Solution

The fourth proportional to 18,870,416.30, 28,302,470.90 and 5,224,942.03 is: 7,836,539.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870,416.30 : 28,302,470.90 = 5,224,942.03 : x
  2. Step 2: Convert to fraction form
    18,870,416.30/28,302,470.90 = 5,224,942.03/x
  3. Step 3: Cross multiply
    18,870,416.30x = 28,302,470.90 × 5,224,942.03
  4. Step 4: Simplify right side
    18,870,416.30x = 147,878,769,798,944.66
  5. Step 5: Solve for x
    x = 147,878,769,798,944.66/18,870,416.30
  6. Step 6: Final answer
    x = 7,836,539.87

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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.