Home / 12,615,819.99-17,409,838.32-6,814,601.61

Finding the Fourth Proportional to 12,615,819.99, 17,409,838.32 and 6,814,601.61

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Solution

The fourth proportional to 12,615,819.99, 17,409,838.32 and 6,814,601.61 is: 9,404,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,819.99 : 17,409,838.32 = 6,814,601.61 : x
  2. Step 2: Convert to fraction form
    12,615,819.99/17,409,838.32 = 6,814,601.61/x
  3. Step 3: Cross multiply
    12,615,819.99x = 17,409,838.32 × 6,814,601.61
  4. Step 4: Simplify right side
    12,615,819.99x = 118,641,112,245,311.70
  5. Step 5: Solve for x
    x = 118,641,112,245,311.70/12,615,819.99
  6. Step 6: Final answer
    x = 9,404,153.86

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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.