Home / 18,284,706.10-27,427,292.43-12,603,404.98

Finding the Fourth Proportional to 18,284,706.10, 27,427,292.43 and 12,603,404.98

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Solution

The fourth proportional to 18,284,706.10, 27,427,292.43 and 12,603,404.98 is: 18,905,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284,706.10 : 27,427,292.43 = 12,603,404.98 : x
  2. Step 2: Convert to fraction form
    18,284,706.10/27,427,292.43 = 12,603,404.98/x
  3. Step 3: Cross multiply
    18,284,706.10x = 27,427,292.43 × 12,603,404.98
  4. Step 4: Simplify right side
    18,284,706.10x = 345,677,274,000,178.31
  5. Step 5: Solve for x
    x = 345,677,274,000,178.31/18,284,706.10
  6. Step 6: Final answer
    x = 18,905,268.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.