Home / 21,296,413.10-31,944,619.65-20,036,701.10

Finding the Fourth Proportional to 21,296,413.10, 31,944,619.65 and 20,036,701.10

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Solution

The fourth proportional to 21,296,413.10, 31,944,619.65 and 20,036,701.10 is: 30,055,051.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,296,413.10 : 31,944,619.65 = 20,036,701.10 : x
  2. Step 2: Convert to fraction form
    21,296,413.10/31,944,619.65 = 20,036,701.10/x
  3. Step 3: Cross multiply
    21,296,413.10x = 31,944,619.65 × 20,036,701.10
  4. Step 4: Simplify right side
    21,296,413.10x = 640,064,795,680,236.62
  5. Step 5: Solve for x
    x = 640,064,795,680,236.62/21,296,413.10
  6. Step 6: Final answer
    x = 30,055,051.65

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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.