Home / 11,686,672.71-16,137,949.41-7,283,912.45

Finding the Fourth Proportional to 11,686,672.71, 16,137,949.41 and 7,283,912.45

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Solution

The fourth proportional to 11,686,672.71, 16,137,949.41 and 7,283,912.45 is: 10,058,244.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,686,672.71 : 16,137,949.41 = 7,283,912.45 : x
  2. Step 2: Convert to fraction form
    11,686,672.71/16,137,949.41 = 7,283,912.45/x
  3. Step 3: Cross multiply
    11,686,672.71x = 16,137,949.41 × 7,283,912.45
  4. Step 4: Simplify right side
    11,686,672.71x = 117,547,410,544,279.41
  5. Step 5: Solve for x
    x = 117,547,410,544,279.41/11,686,672.71
  6. Step 6: Final answer
    x = 10,058,244.42

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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.