Home / 18,881,900.70-28,301,855.85-8,097,366.30

Finding the Fourth Proportional to 18,881,900.70, 28,301,855.85 and 8,097,366.30

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Solution

The fourth proportional to 18,881,900.70, 28,301,855.85 and 8,097,366.30 is: 12,137,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881,900.70 : 28,301,855.85 = 8,097,366.30 : x
  2. Step 2: Convert to fraction form
    18,881,900.70/28,301,855.85 = 8,097,366.30/x
  3. Step 3: Cross multiply
    18,881,900.70x = 28,301,855.85 × 8,097,366.30
  4. Step 4: Simplify right side
    18,881,900.70x = 229,170,493,787,247.88
  5. Step 5: Solve for x
    x = 229,170,493,787,247.88/18,881,900.70
  6. Step 6: Final answer
    x = 12,137,045.81

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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.