Home / 8,149,059.60-12,214,661.40-4,099,088.40

Finding the Fourth Proportional to 8,149,059.60, 12,214,661.40 and 4,099,088.40

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Solution

The fourth proportional to 8,149,059.60, 12,214,661.40 and 4,099,088.40 is: 6,144,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149,059.60 : 12,214,661.40 = 4,099,088.40 : x
  2. Step 2: Convert to fraction form
    8,149,059.60/12,214,661.40 = 4,099,088.40/x
  3. Step 3: Cross multiply
    8,149,059.60x = 12,214,661.40 × 4,099,088.40
  4. Step 4: Simplify right side
    8,149,059.60x = 50,068,976,854,667.76
  5. Step 5: Solve for x
    x = 50,068,976,854,667.76/8,149,059.60
  6. Step 6: Final answer
    x = 6,144,141.69

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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.