Home / 13,374,608.40-20,061,912.60-8,591,639.40

Finding the Fourth Proportional to 13,374,608.40, 20,061,912.60 and 8,591,639.40

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Solution

The fourth proportional to 13,374,608.40, 20,061,912.60 and 8,591,639.40 is: 12,887,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374,608.40 : 20,061,912.60 = 8,591,639.40 : x
  2. Step 2: Convert to fraction form
    13,374,608.40/20,061,912.60 = 8,591,639.40/x
  3. Step 3: Cross multiply
    13,374,608.40x = 20,061,912.60 × 8,591,639.40
  4. Step 4: Simplify right side
    13,374,608.40x = 172,364,718,733,516.47
  5. Step 5: Solve for x
    x = 172,364,718,733,516.47/13,374,608.40
  6. Step 6: Final answer
    x = 12,887,459.10

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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.