Home / 28,025,906.80-42,034,923.60-8,858,601.40

Finding the Fourth Proportional to 28,025,906.80, 42,034,923.60 and 8,858,601.40

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Solution

The fourth proportional to 28,025,906.80, 42,034,923.60 and 8,858,601.40 is: 13,286,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025,906.80 : 42,034,923.60 = 8,858,601.40 : x
  2. Step 2: Convert to fraction form
    28,025,906.80/42,034,923.60 = 8,858,601.40/x
  3. Step 3: Cross multiply
    28,025,906.80x = 42,034,923.60 × 8,858,601.40
  4. Step 4: Simplify right side
    28,025,906.80x = 372,370,633,051,853.06
  5. Step 5: Solve for x
    x = 372,370,633,051,853.06/28,025,906.80
  6. Step 6: Final answer
    x = 13,286,657.80

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1.5x scale

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.