Home / 12,685,020.66-17,505,339.84-6,883,802.46

Finding the Fourth Proportional to 12,685,020.66, 17,505,339.84 and 6,883,802.46

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Solution

The fourth proportional to 12,685,020.66, 17,505,339.84 and 6,883,802.46 is: 9,499,653.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,685,020.66 : 17,505,339.84 = 6,883,802.46 : x
  2. Step 2: Convert to fraction form
    12,685,020.66/17,505,339.84 = 6,883,802.46/x
  3. Step 3: Cross multiply
    12,685,020.66x = 17,505,339.84 × 6,883,802.46
  4. Step 4: Simplify right side
    12,685,020.66x = 120,503,301,453,728
  5. Step 5: Solve for x
    x = 120,503,301,453,728/12,685,020.66
  6. Step 6: Final answer
    x = 9,499,653.54

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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.