Home / 12,792,448.44-19,190,666.70-7,673,675.13

Finding the Fourth Proportional to 12,792,448.44, 19,190,666.70 and 7,673,675.13

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Solution

The fourth proportional to 12,792,448.44, 19,190,666.70 and 7,673,675.13 is: 11,511,708.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792,448.44 : 19,190,666.70 = 7,673,675.13 : x
  2. Step 2: Convert to fraction form
    12,792,448.44/19,190,666.70 = 7,673,675.13/x
  3. Step 3: Cross multiply
    12,792,448.44x = 19,190,666.70 × 7,673,675.13
  4. Step 4: Simplify right side
    12,792,448.44x = 147,262,941,783,909.16
  5. Step 5: Solve for x
    x = 147,262,941,783,909.16/12,792,448.44
  6. Step 6: Final answer
    x = 11,511,708.84

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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.