Home / 13,305,745.40-18,361,892.04-7,425,316.74

Finding the Fourth Proportional to 13,305,745.40, 18,361,892.04 and 7,425,316.74

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Solution

The fourth proportional to 13,305,745.40, 18,361,892.04 and 7,425,316.74 is: 10,246,916.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,745.40 : 18,361,892.04 = 7,425,316.74 : x
  2. Step 2: Convert to fraction form
    13,305,745.40/18,361,892.04 = 7,425,316.74/x
  3. Step 3: Cross multiply
    13,305,745.40x = 18,361,892.04 × 7,425,316.74
  4. Step 4: Simplify right side
    13,305,745.40x = 136,342,864,342,684.75
  5. Step 5: Solve for x
    x = 136,342,864,342,684.75/13,305,745.40
  6. Step 6: Final answer
    x = 10,246,916.67

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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.