Home / 11,978,205.40-17,968,085.70-6,309,501.40

Finding the Fourth Proportional to 11,978,205.40, 17,968,085.70 and 6,309,501.40

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Solution

The fourth proportional to 11,978,205.40, 17,968,085.70 and 6,309,501.40 is: 9,464,661.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,978,205.40 : 17,968,085.70 = 6,309,501.40 : x
  2. Step 2: Convert to fraction form
    11,978,205.40/17,968,085.70 = 6,309,501.40/x
  3. Step 3: Cross multiply
    11,978,205.40x = 17,968,085.70 × 6,309,501.40
  4. Step 4: Simplify right side
    11,978,205.40x = 113,369,661,879,469.98
  5. Step 5: Solve for x
    x = 113,369,661,879,469.98/11,978,205.40
  6. Step 6: Final answer
    x = 9,464,661.70

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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.