Home / 12,845,051.06-17,726,413.78-7,043,486.80

Finding the Fourth Proportional to 12,845,051.06, 17,726,413.78 and 7,043,486.80

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Solution

The fourth proportional to 12,845,051.06, 17,726,413.78 and 7,043,486.80 is: 9,720,145.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845,051.06 : 17,726,413.78 = 7,043,486.80 : x
  2. Step 2: Convert to fraction form
    12,845,051.06/17,726,413.78 = 7,043,486.80/x
  3. Step 3: Cross multiply
    12,845,051.06x = 17,726,413.78 × 7,043,486.80
  4. Step 4: Simplify right side
    12,845,051.06x = 124,855,761,470,768.11
  5. Step 5: Solve for x
    x = 124,855,761,470,768.11/12,845,051.06
  6. Step 6: Final answer
    x = 9,720,145.21

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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.