Home / 8,675,942.56-12,999,683.76-6,147,083.68

Finding the Fourth Proportional to 8,675,942.56, 12,999,683.76 and 6,147,083.68

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Solution

The fourth proportional to 8,675,942.56, 12,999,683.76 and 6,147,083.68 is: 9,210,543.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675,942.56 : 12,999,683.76 = 6,147,083.68 : x
  2. Step 2: Convert to fraction form
    8,675,942.56/12,999,683.76 = 6,147,083.68/x
  3. Step 3: Cross multiply
    8,675,942.56x = 12,999,683.76 × 6,147,083.68
  4. Step 4: Simplify right side
    8,675,942.56x = 79,910,143,886,257.03
  5. Step 5: Solve for x
    x = 79,910,143,886,257.03/8,675,942.56
  6. Step 6: Final answer
    x = 9,210,543.22

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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.