Home / 21,815,063.70-30,104,997.44-12,025,858.11

Finding the Fourth Proportional to 21,815,063.70, 30,104,997.44 and 12,025,858.11

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Solution

The fourth proportional to 21,815,063.70, 30,104,997.44 and 12,025,858.11 is: 16,595,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,815,063.70 : 30,104,997.44 = 12,025,858.11 : x
  2. Step 2: Convert to fraction form
    21,815,063.70/30,104,997.44 = 12,025,858.11/x
  3. Step 3: Cross multiply
    21,815,063.70x = 30,104,997.44 × 12,025,858.11
  4. Step 4: Simplify right side
    21,815,063.70x = 362,038,427,555,223.94
  5. Step 5: Solve for x
    x = 362,038,427,555,223.94/21,815,063.70
  6. Step 6: Final answer
    x = 16,595,799.70

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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.