Home / 8,129,619.96-11,218,067.10-4,692,968.16

Finding the Fourth Proportional to 8,129,619.96, 11,218,067.10 and 4,692,968.16

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Solution

The fourth proportional to 8,129,619.96, 11,218,067.10 and 4,692,968.16 is: 6,475,829.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,619.96 : 11,218,067.10 = 4,692,968.16 : x
  2. Step 2: Convert to fraction form
    8,129,619.96/11,218,067.10 = 4,692,968.16/x
  3. Step 3: Cross multiply
    8,129,619.96x = 11,218,067.10 × 4,692,968.16
  4. Step 4: Simplify right side
    8,129,619.96x = 52,646,031,717,043.54
  5. Step 5: Solve for x
    x = 52,646,031,717,043.54/8,129,619.96
  6. Step 6: Final answer
    x = 6,475,829.37

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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.