Home / 9,261,040.86-12,780,236.38-5,186,659.86

Finding the Fourth Proportional to 9,261,040.86, 12,780,236.38 and 5,186,659.86

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Solution

The fourth proportional to 9,261,040.86, 12,780,236.38 and 5,186,659.86 is: 7,157,590.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261,040.86 : 12,780,236.38 = 5,186,659.86 : x
  2. Step 2: Convert to fraction form
    9,261,040.86/12,780,236.38 = 5,186,659.86/x
  3. Step 3: Cross multiply
    9,261,040.86x = 12,780,236.38 × 5,186,659.86
  4. Step 4: Simplify right side
    9,261,040.86x = 66,286,739,033,457.72
  5. Step 5: Solve for x
    x = 66,286,739,033,457.72/9,261,040.86
  6. Step 6: Final answer
    x = 7,157,590.60

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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.