Home / 20,437,335.99-28,204,204.53-11,145,413.04

Finding the Fourth Proportional to 20,437,335.99, 28,204,204.53 and 11,145,413.04

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Solution

The fourth proportional to 20,437,335.99, 28,204,204.53 and 11,145,413.04 is: 15,381,041.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437,335.99 : 28,204,204.53 = 11,145,413.04 : x
  2. Step 2: Convert to fraction form
    20,437,335.99/28,204,204.53 = 11,145,413.04/x
  3. Step 3: Cross multiply
    20,437,335.99x = 28,204,204.53 × 11,145,413.04
  4. Step 4: Simplify right side
    20,437,335.99x = 314,347,508,951,489.06
  5. Step 5: Solve for x
    x = 314,347,508,951,489.06/20,437,335.99
  6. Step 6: Final answer
    x = 15,381,041.30

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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.