Home / 7,145,716.60-10,712,549.71-3,099,156.67

Finding the Fourth Proportional to 7,145,716.60, 10,712,549.71 and 3,099,156.67

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Solution

The fourth proportional to 7,145,716.60, 10,712,549.71 and 3,099,156.67 is: 4,646,121.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,716.60 : 10,712,549.71 = 3,099,156.67 : x
  2. Step 2: Convert to fraction form
    7,145,716.60/10,712,549.71 = 3,099,156.67/x
  3. Step 3: Cross multiply
    7,145,716.60x = 10,712,549.71 × 3,099,156.67
  4. Step 4: Simplify right side
    7,145,716.60x = 33,199,869,886,453.07
  5. Step 5: Solve for x
    x = 33,199,869,886,453.07/7,145,716.60
  6. Step 6: Final answer
    x = 4,646,121.83

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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.