Home / 8,374,900.40-12,562,350.60-2,989,631.60

Finding the Fourth Proportional to 8,374,900.40, 12,562,350.60 and 2,989,631.60

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Solution

The fourth proportional to 8,374,900.40, 12,562,350.60 and 2,989,631.60 is: 4,484,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374,900.40 : 12,562,350.60 = 2,989,631.60 : x
  2. Step 2: Convert to fraction form
    8,374,900.40/12,562,350.60 = 2,989,631.60/x
  3. Step 3: Cross multiply
    8,374,900.40x = 12,562,350.60 × 2,989,631.60
  4. Step 4: Simplify right side
    8,374,900.40x = 37,556,800,324,038.96
  5. Step 5: Solve for x
    x = 37,556,800,324,038.96/8,374,900.40
  6. Step 6: Final answer
    x = 4,484,447.40

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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.