Home / 18,531,365.96-27,800,540.90-7,020,281

Finding the Fourth Proportional to 18,531,365.96, 27,800,540.90 and 7,020,281

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Solution

The fourth proportional to 18,531,365.96, 27,800,540.90 and 7,020,281 is: 10,531,744.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531,365.96 : 27,800,540.90 = 7,020,281 : x
  2. Step 2: Convert to fraction form
    18,531,365.96/27,800,540.90 = 7,020,281/x
  3. Step 3: Cross multiply
    18,531,365.96x = 27,800,540.90 × 7,020,281
  4. Step 4: Simplify right side
    18,531,365.96x = 195,167,609,069,992.88
  5. Step 5: Solve for x
    x = 195,167,609,069,992.88/18,531,365.96
  6. Step 6: Final answer
    x = 10,531,744.37

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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.