Home / 7,145,715.60-10,712,548.22-3,099,155.67

Finding the Fourth Proportional to 7,145,715.60, 10,712,548.22 and 3,099,155.67

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Solution

The fourth proportional to 7,145,715.60, 10,712,548.22 and 3,099,155.67 is: 4,646,120.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,715.60 : 10,712,548.22 = 3,099,155.67 : x
  2. Step 2: Convert to fraction form
    7,145,715.60/10,712,548.22 = 3,099,155.67/x
  3. Step 3: Cross multiply
    7,145,715.60x = 10,712,548.22 × 3,099,155.67
  4. Step 4: Simplify right side
    7,145,715.60x = 33,199,854,540,665.63
  5. Step 5: Solve for x
    x = 33,199,854,540,665.63/7,145,715.60
  6. Step 6: Final answer
    x = 4,646,120.33

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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.