Home / 15,513,912.78-23,270,869.20-7,936,745.10

Finding the Fourth Proportional to 15,513,912.78, 23,270,869.20 and 7,936,745.10

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Solution

The fourth proportional to 15,513,912.78, 23,270,869.20 and 7,936,745.10 is: 11,905,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513,912.78 : 23,270,869.20 = 7,936,745.10 : x
  2. Step 2: Convert to fraction form
    15,513,912.78/23,270,869.20 = 7,936,745.10/x
  3. Step 3: Cross multiply
    15,513,912.78x = 23,270,869.20 × 7,936,745.10
  4. Step 4: Simplify right side
    15,513,912.78x = 184,694,957,095,840.91
  5. Step 5: Solve for x
    x = 184,694,957,095,840.91/15,513,912.78
  6. Step 6: Final answer
    x = 11,905,117.67

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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.