Home / 18,443,421.90-27,681,863.40-9,351,844.20

Finding the Fourth Proportional to 18,443,421.90, 27,681,863.40 and 9,351,844.20

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Solution

The fourth proportional to 18,443,421.90, 27,681,863.40 and 9,351,844.20 is: 14,036,249.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,421.90 : 27,681,863.40 = 9,351,844.20 : x
  2. Step 2: Convert to fraction form
    18,443,421.90/27,681,863.40 = 9,351,844.20/x
  3. Step 3: Cross multiply
    18,443,421.90x = 27,681,863.40 × 9,351,844.20
  4. Step 4: Simplify right side
    18,443,421.90x = 258,876,473,682,482.25
  5. Step 5: Solve for x
    x = 258,876,473,682,482.25/18,443,421.90
  6. Step 6: Final answer
    x = 14,036,249.62

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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.