Home / 17,243,998.60-25,856,666.70-7,147,640.20

Finding the Fourth Proportional to 17,243,998.60, 25,856,666.70 and 7,147,640.20

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Solution

The fourth proportional to 17,243,998.60, 25,856,666.70 and 7,147,640.20 is: 10,717,592.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,243,998.60 : 25,856,666.70 = 7,147,640.20 : x
  2. Step 2: Convert to fraction form
    17,243,998.60/25,856,666.70 = 7,147,640.20/x
  3. Step 3: Cross multiply
    17,243,998.60x = 25,856,666.70 × 7,147,640.20
  4. Step 4: Simplify right side
    17,243,998.60x = 184,814,150,342,921.34
  5. Step 5: Solve for x
    x = 184,814,150,342,921.34/17,243,998.60
  6. Step 6: Final answer
    x = 10,717,592.52

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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.