Home / 6,810,090.72-9,397,924.08-3,909,668.64

Finding the Fourth Proportional to 6,810,090.72, 9,397,924.08 and 3,909,668.64

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Solution

The fourth proportional to 6,810,090.72, 9,397,924.08 and 3,909,668.64 is: 5,395,342.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810,090.72 : 9,397,924.08 = 3,909,668.64 : x
  2. Step 2: Convert to fraction form
    6,810,090.72/9,397,924.08 = 3,909,668.64/x
  3. Step 3: Cross multiply
    6,810,090.72x = 9,397,924.08 × 3,909,668.64
  4. Step 4: Simplify right side
    6,810,090.72x = 36,742,769,056,676.85
  5. Step 5: Solve for x
    x = 36,742,769,056,676.85/6,810,090.72
  6. Step 6: Final answer
    x = 5,395,342.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.