Home / 25,647,892.40-38,527,825.80-18,089,620.40

Finding the Fourth Proportional to 25,647,892.40, 38,527,825.80 and 18,089,620.40

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Solution

The fourth proportional to 25,647,892.40, 38,527,825.80 and 18,089,620.40 is: 27,173,918.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,647,892.40 : 38,527,825.80 = 18,089,620.40 : x
  2. Step 2: Convert to fraction form
    25,647,892.40/38,527,825.80 = 18,089,620.40/x
  3. Step 3: Cross multiply
    25,647,892.40x = 38,527,825.80 × 18,089,620.40
  4. Step 4: Simplify right side
    25,647,892.40x = 696,953,743,559,326.25
  5. Step 5: Solve for x
    x = 696,953,743,559,326.25/25,647,892.40
  6. Step 6: Final answer
    x = 27,173,918.73

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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.