Home / 25,632,211.74-38,405,860.65-18,021,996.06

Finding the Fourth Proportional to 25,632,211.74, 38,405,860.65 and 18,021,996.06

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Solution

The fourth proportional to 25,632,211.74, 38,405,860.65 and 18,021,996.06 is: 27,003,142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,632,211.74 : 38,405,860.65 = 18,021,996.06 : x
  2. Step 2: Convert to fraction form
    25,632,211.74/38,405,860.65 = 18,021,996.06/x
  3. Step 3: Cross multiply
    25,632,211.74x = 38,405,860.65 × 18,021,996.06
  4. Step 4: Simplify right side
    25,632,211.74x = 692,150,269,315,209
  5. Step 5: Solve for x
    x = 692,150,269,315,209/25,632,211.74
  6. Step 6: Final answer
    x = 27,003,142.62

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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.