Home / 11,881,211.28-16,395,633-6,448,586.64

Finding the Fourth Proportional to 11,881,211.28, 16,395,633 and 6,448,586.64

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Solution

The fourth proportional to 11,881,211.28, 16,395,633 and 6,448,586.64 is: 8,898,811.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881,211.28 : 16,395,633 = 6,448,586.64 : x
  2. Step 2: Convert to fraction form
    11,881,211.28/16,395,633 = 6,448,586.64/x
  3. Step 3: Cross multiply
    11,881,211.28x = 16,395,633 × 6,448,586.64
  4. Step 4: Simplify right side
    11,881,211.28x = 105,728,659,918,143.11
  5. Step 5: Solve for x
    x = 105,728,659,918,143.11/11,881,211.28
  6. Step 6: Final answer
    x = 8,898,811.53

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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.