Home / 8,452,783.96-12,678,707.46-6,180,636.76

Finding the Fourth Proportional to 8,452,783.96, 12,678,707.46 and 6,180,636.76

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Solution

The fourth proportional to 8,452,783.96, 12,678,707.46 and 6,180,636.76 is: 9,270,612.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,452,783.96 : 12,678,707.46 = 6,180,636.76 : x
  2. Step 2: Convert to fraction form
    8,452,783.96/12,678,707.46 = 6,180,636.76/x
  3. Step 3: Cross multiply
    8,452,783.96x = 12,678,707.46 × 6,180,636.76
  4. Step 4: Simplify right side
    8,452,783.96x = 78,362,485,396,562.23
  5. Step 5: Solve for x
    x = 78,362,485,396,562.23/8,452,783.96
  6. Step 6: Final answer
    x = 9,270,612.59

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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.