Home / 12,061,633.70-18,093,325.35-7,258,981.70

Finding the Fourth Proportional to 12,061,633.70, 18,093,325.35 and 7,258,981.70

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Solution

The fourth proportional to 12,061,633.70, 18,093,325.35 and 7,258,981.70 is: 10,888,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,061,633.70 : 18,093,325.35 = 7,258,981.70 : x
  2. Step 2: Convert to fraction form
    12,061,633.70/18,093,325.35 = 7,258,981.70/x
  3. Step 3: Cross multiply
    12,061,633.70x = 18,093,325.35 × 7,258,981.70
  4. Step 4: Simplify right side
    12,061,633.70x = 131,339,117,607,796.11
  5. Step 5: Solve for x
    x = 131,339,117,607,796.11/12,061,633.70
  6. Step 6: Final answer
    x = 10,888,999.03

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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.