Home / 18,477,521.28-27,715,815.36-5,013,999.36

Finding the Fourth Proportional to 18,477,521.28, 27,715,815.36 and 5,013,999.36

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Solution

The fourth proportional to 18,477,521.28, 27,715,815.36 and 5,013,999.36 is: 7,520,872.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,521.28 : 27,715,815.36 = 5,013,999.36 : x
  2. Step 2: Convert to fraction form
    18,477,521.28/27,715,815.36 = 5,013,999.36/x
  3. Step 3: Cross multiply
    18,477,521.28x = 27,715,815.36 × 5,013,999.36
  4. Step 4: Simplify right side
    18,477,521.28x = 138,967,080,476,918.17
  5. Step 5: Solve for x
    x = 138,967,080,476,918.17/18,477,521.28
  6. Step 6: Final answer
    x = 7,520,872.44

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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.