Home / 19,133,388.68-28,699,961.52-7,003,697

Finding the Fourth Proportional to 19,133,388.68, 28,699,961.52 and 7,003,697

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Solution

The fourth proportional to 19,133,388.68, 28,699,961.52 and 7,003,697 is: 10,505,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133,388.68 : 28,699,961.52 = 7,003,697 : x
  2. Step 2: Convert to fraction form
    19,133,388.68/28,699,961.52 = 7,003,697/x
  3. Step 3: Cross multiply
    19,133,388.68x = 28,699,961.52 × 7,003,697
  4. Step 4: Simplify right side
    19,133,388.68x = 201,005,834,397,739.44
  5. Step 5: Solve for x
    x = 201,005,834,397,739.44/19,133,388.68
  6. Step 6: Final answer
    x = 10,505,501.03

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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.