Home / 7,131,092.80-10,720,258.80-6,091,830.40

Finding the Fourth Proportional to 7,131,092.80, 10,720,258.80 and 6,091,830.40

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Solution

The fourth proportional to 7,131,092.80, 10,720,258.80 and 6,091,830.40 is: 9,157,922.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,092.80 : 10,720,258.80 = 6,091,830.40 : x
  2. Step 2: Convert to fraction form
    7,131,092.80/10,720,258.80 = 6,091,830.40/x
  3. Step 3: Cross multiply
    7,131,092.80x = 10,720,258.80 × 6,091,830.40
  4. Step 4: Simplify right side
    7,131,092.80x = 65,305,998,453,707.53
  5. Step 5: Solve for x
    x = 65,305,998,453,707.53/7,131,092.80
  6. Step 6: Final answer
    x = 9,157,922.96

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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.