Home / 38,480,928.76-53,103,025.35-20,839,687.96

Finding the Fourth Proportional to 38,480,928.76, 53,103,025.35 and 20,839,687.96

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Solution

The fourth proportional to 38,480,928.76, 53,103,025.35 and 20,839,687.96 is: 28,758,413.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480,928.76 : 53,103,025.35 = 20,839,687.96 : x
  2. Step 2: Convert to fraction form
    38,480,928.76/53,103,025.35 = 20,839,687.96/x
  3. Step 3: Cross multiply
    38,480,928.76x = 53,103,025.35 × 20,839,687.96
  4. Step 4: Simplify right side
    38,480,928.76x = 1,106,650,477,934,116.75
  5. Step 5: Solve for x
    x = 1,106,650,477,934,116.75/38,480,928.76
  6. Step 6: Final answer
    x = 28,758,413.94

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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.