Home / 11,880,921.71-16,392,861.89-6,724,283.25

Finding the Fourth Proportional to 11,880,921.71, 16,392,861.89 and 6,724,283.25

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Solution

The fourth proportional to 11,880,921.71, 16,392,861.89 and 6,724,283.25 is: 9,277,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880,921.71 : 16,392,861.89 = 6,724,283.25 : x
  2. Step 2: Convert to fraction form
    11,880,921.71/16,392,861.89 = 6,724,283.25/x
  3. Step 3: Cross multiply
    11,880,921.71x = 16,392,861.89 × 6,724,283.25
  4. Step 4: Simplify right side
    11,880,921.71x = 110,230,246,679,558.22
  5. Step 5: Solve for x
    x = 110,230,246,679,558.22/11,880,921.71
  6. Step 6: Final answer
    x = 9,277,920.46

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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.