Home / 8,589,148.55-12,883,609.46-2,112,279.86

Finding the Fourth Proportional to 8,589,148.55, 12,883,609.46 and 2,112,279.86

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Solution

The fourth proportional to 8,589,148.55, 12,883,609.46 and 2,112,279.86 is: 3,168,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589,148.55 : 12,883,609.46 = 2,112,279.86 : x
  2. Step 2: Convert to fraction form
    8,589,148.55/12,883,609.46 = 2,112,279.86/x
  3. Step 3: Cross multiply
    8,589,148.55x = 12,883,609.46 × 2,112,279.86
  4. Step 4: Simplify right side
    8,589,148.55x = 27,213,788,812,071.62
  5. Step 5: Solve for x
    x = 27,213,788,812,071.62/8,589,148.55
  6. Step 6: Final answer
    x = 3,168,391.91

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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.