Home / 18,145,942.80-27,187,421.40-11,752,904.40

Finding the Fourth Proportional to 18,145,942.80, 27,187,421.40 and 11,752,904.40

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Solution

The fourth proportional to 18,145,942.80, 27,187,421.40 and 11,752,904.40 is: 17,608,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,942.80 : 27,187,421.40 = 11,752,904.40 : x
  2. Step 2: Convert to fraction form
    18,145,942.80/27,187,421.40 = 11,752,904.40/x
  3. Step 3: Cross multiply
    18,145,942.80x = 27,187,421.40 × 11,752,904.40
  4. Step 4: Simplify right side
    18,145,942.80x = 319,531,164,596,714.12
  5. Step 5: Solve for x
    x = 319,531,164,596,714.12/18,145,942.80
  6. Step 6: Final answer
    x = 17,608,959.10

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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.