Home / 21,815,372.08-30,105,306.57-12,025,603.54

Finding the Fourth Proportional to 21,815,372.08, 30,105,306.57 and 12,025,603.54

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Solution

The fourth proportional to 21,815,372.08, 30,105,306.57 and 12,025,603.54 is: 16,595,384.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,815,372.08 : 30,105,306.57 = 12,025,603.54 : x
  2. Step 2: Convert to fraction form
    21,815,372.08/30,105,306.57 = 12,025,603.54/x
  3. Step 3: Cross multiply
    21,815,372.08x = 30,105,306.57 × 12,025,603.54
  4. Step 4: Simplify right side
    21,815,372.08x = 362,034,481,260,977.25
  5. Step 5: Solve for x
    x = 362,034,481,260,977.25/21,815,372.08
  6. Step 6: Final answer
    x = 16,595,384.21

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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.