Home / 21,687,413.20-32,468,134.20-21,057,557.20

Finding the Fourth Proportional to 21,687,413.20, 32,468,134.20 and 21,057,557.20

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Solution

The fourth proportional to 21,687,413.20, 32,468,134.20 and 21,057,557.20 is: 31,525,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,687,413.20 : 32,468,134.20 = 21,057,557.20 : x
  2. Step 2: Convert to fraction form
    21,687,413.20/32,468,134.20 = 21,057,557.20/x
  3. Step 3: Cross multiply
    21,687,413.20x = 32,468,134.20 × 21,057,557.20
  4. Step 4: Simplify right side
    21,687,413.20x = 683,699,593,093,776.25
  5. Step 5: Solve for x
    x = 683,699,593,093,776.25/21,687,413.20
  6. Step 6: Final answer
    x = 31,525,179.46

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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.