Home / 19,933,349.40-29,914,020.90-8,581,944.60

Finding the Fourth Proportional to 19,933,349.40, 29,914,020.90 and 8,581,944.60

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Solution

The fourth proportional to 19,933,349.40, 29,914,020.90 and 8,581,944.60 is: 12,878,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933,349.40 : 29,914,020.90 = 8,581,944.60 : x
  2. Step 2: Convert to fraction form
    19,933,349.40/29,914,020.90 = 8,581,944.60/x
  3. Step 3: Cross multiply
    19,933,349.40x = 29,914,020.90 × 8,581,944.60
  4. Step 4: Simplify right side
    19,933,349.40x = 256,720,470,127,042.12
  5. Step 5: Solve for x
    x = 256,720,470,127,042.12/19,933,349.40
  6. Step 6: Final answer
    x = 12,878,942.97

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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.