Home / 20,347,871.04-28,080,055.44-11,181,104.28

Finding the Fourth Proportional to 20,347,871.04, 28,080,055.44 and 11,181,104.28

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Solution

The fourth proportional to 20,347,871.04, 28,080,055.44 and 11,181,104.28 is: 15,429,920.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347,871.04 : 28,080,055.44 = 11,181,104.28 : x
  2. Step 2: Convert to fraction form
    20,347,871.04/28,080,055.44 = 11,181,104.28/x
  3. Step 3: Cross multiply
    20,347,871.04x = 28,080,055.44 × 11,181,104.28
  4. Step 4: Simplify right side
    20,347,871.04x = 313,966,028,062,821.25
  5. Step 5: Solve for x
    x = 313,966,028,062,821.25/20,347,871.04
  6. Step 6: Final answer
    x = 15,429,920.28

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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.