Home / 13,291,212.60-19,936,818.90-7,606,762.20

Finding the Fourth Proportional to 13,291,212.60, 19,936,818.90 and 7,606,762.20

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Solution

The fourth proportional to 13,291,212.60, 19,936,818.90 and 7,606,762.20 is: 11,410,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,212.60 : 19,936,818.90 = 7,606,762.20 : x
  2. Step 2: Convert to fraction form
    13,291,212.60/19,936,818.90 = 7,606,762.20/x
  3. Step 3: Cross multiply
    13,291,212.60x = 19,936,818.90 × 7,606,762.20
  4. Step 4: Simplify right side
    13,291,212.60x = 151,654,640,396,765.56
  5. Step 5: Solve for x
    x = 151,654,640,396,765.56/13,291,212.60
  6. Step 6: Final answer
    x = 11,410,143.30

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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.