Home / 11,881,221.28-16,395,646.78-6,448,596.64

Finding the Fourth Proportional to 11,881,221.28, 16,395,646.78 and 6,448,596.64

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Solution

The fourth proportional to 11,881,221.28, 16,395,646.78 and 6,448,596.64 is: 8,898,825.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881,221.28 : 16,395,646.78 = 6,448,596.64 : x
  2. Step 2: Convert to fraction form
    11,881,221.28/16,395,646.78 = 6,448,596.64/x
  3. Step 3: Cross multiply
    11,881,221.28x = 16,395,646.78 × 6,448,596.64
  4. Step 4: Simplify right side
    11,881,221.28x = 105,728,912,736,134.81
  5. Step 5: Solve for x
    x = 105,728,912,736,134.81/11,881,221.28
  6. Step 6: Final answer
    x = 8,898,825.32

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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.