Home / 18,525,789.66-25,565,739.81-10,265,989.89

Finding the Fourth Proportional to 18,525,789.66, 25,565,739.81 and 10,265,989.89

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Solution

The fourth proportional to 18,525,789.66, 25,565,739.81 and 10,265,989.89 is: 14,167,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525,789.66 : 25,565,739.81 = 10,265,989.89 : x
  2. Step 2: Convert to fraction form
    18,525,789.66/25,565,739.81 = 10,265,989.89/x
  3. Step 3: Cross multiply
    18,525,789.66x = 25,565,739.81 × 10,265,989.89
  4. Step 4: Simplify right side
    18,525,789.66x = 262,457,626,419,830.53
  5. Step 5: Solve for x
    x = 262,457,626,419,830.53/18,525,789.66
  6. Step 6: Final answer
    x = 14,167,149.21

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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.