Home / 8,071,014.54-11,131,695.60-5,170,680.75

Finding the Fourth Proportional to 8,071,014.54, 11,131,695.60 and 5,170,680.75

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Solution

The fourth proportional to 8,071,014.54, 11,131,695.60 and 5,170,680.75 is: 7,131,500.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071,014.54 : 11,131,695.60 = 5,170,680.75 : x
  2. Step 2: Convert to fraction form
    8,071,014.54/11,131,695.60 = 5,170,680.75/x
  3. Step 3: Cross multiply
    8,071,014.54x = 11,131,695.60 × 5,170,680.75
  4. Step 4: Simplify right side
    8,071,014.54x = 57,558,444,153,779.70
  5. Step 5: Solve for x
    x = 57,558,444,153,779.70/8,071,014.54
  6. Step 6: Final answer
    x = 7,131,500.49

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1.5x scale

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.