Home / 18,525,788.88-25,565,738.76-10,265,989.12

Finding the Fourth Proportional to 18,525,788.88, 25,565,738.76 and 10,265,989.12

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Solution

The fourth proportional to 18,525,788.88, 25,565,738.76 and 10,265,989.12 is: 14,167,148.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525,788.88 : 25,565,738.76 = 10,265,989.12 : x
  2. Step 2: Convert to fraction form
    18,525,788.88/25,565,738.76 = 10,265,989.12/x
  3. Step 3: Cross multiply
    18,525,788.88x = 25,565,738.76 × 10,265,989.12
  4. Step 4: Simplify right side
    18,525,788.88x = 262,457,595,954,922.28
  5. Step 5: Solve for x
    x = 262,457,595,954,922.28/18,525,788.88
  6. Step 6: Final answer
    x = 14,167,148.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.