Home / 12,272,871.04-16,932,808.80-7,115,203.36

Finding the Fourth Proportional to 12,272,871.04, 16,932,808.80 and 7,115,203.36

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Solution

The fourth proportional to 12,272,871.04, 16,932,808.80 and 7,115,203.36 is: 9,816,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272,871.04 : 16,932,808.80 = 7,115,203.36 : x
  2. Step 2: Convert to fraction form
    12,272,871.04/16,932,808.80 = 7,115,203.36/x
  3. Step 3: Cross multiply
    12,272,871.04x = 16,932,808.80 × 7,115,203.36
  4. Step 4: Simplify right side
    12,272,871.04x = 120,480,378,067,997.58
  5. Step 5: Solve for x
    x = 120,480,378,067,997.58/12,272,871.04
  6. Step 6: Final answer
    x = 9,816,804.70

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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.