Home / 12,455,659.86-17,188,821.39-6,949,035.86

Finding the Fourth Proportional to 12,455,659.86, 17,188,821.39 and 6,949,035.86

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Solution

The fourth proportional to 12,455,659.86, 17,188,821.39 and 6,949,035.86 is: 9,589,675.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,659.86 : 17,188,821.39 = 6,949,035.86 : x
  2. Step 2: Convert to fraction form
    12,455,659.86/17,188,821.39 = 6,949,035.86/x
  3. Step 3: Cross multiply
    12,455,659.86x = 17,188,821.39 × 6,949,035.86
  4. Step 4: Simplify right side
    12,455,659.86x = 119,445,736,144,300.95
  5. Step 5: Solve for x
    x = 119,445,736,144,300.95/12,455,659.86
  6. Step 6: Final answer
    x = 9,589,675.50

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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.