Home / 12,792,442.44-19,190,657.70-7,673,669.10

Finding the Fourth Proportional to 12,792,442.44, 19,190,657.70 and 7,673,669.10

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Solution

The fourth proportional to 12,792,442.44, 19,190,657.70 and 7,673,669.10 is: 11,511,699.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792,442.44 : 19,190,657.70 = 7,673,669.10 : x
  2. Step 2: Convert to fraction form
    12,792,442.44/19,190,657.70 = 7,673,669.10/x
  3. Step 3: Cross multiply
    12,792,442.44x = 19,190,657.70 × 7,673,669.10
  4. Step 4: Simplify right side
    12,792,442.44x = 147,262,757,001,167.06
  5. Step 5: Solve for x
    x = 147,262,757,001,167.06/12,792,442.44
  6. Step 6: Final answer
    x = 11,511,699.79

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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.