Home / 12,782,608.40-19,173,912.60-3,684,688.40

Finding the Fourth Proportional to 12,782,608.40, 19,173,912.60 and 3,684,688.40

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Solution

The fourth proportional to 12,782,608.40, 19,173,912.60 and 3,684,688.40 is: 5,527,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,782,608.40 : 19,173,912.60 = 3,684,688.40 : x
  2. Step 2: Convert to fraction form
    12,782,608.40/19,173,912.60 = 3,684,688.40/x
  3. Step 3: Cross multiply
    12,782,608.40x = 19,173,912.60 × 3,684,688.40
  4. Step 4: Simplify right side
    12,782,608.40x = 70,649,893,339,833.84
  5. Step 5: Solve for x
    x = 70,649,893,339,833.84/12,782,608.40
  6. Step 6: Final answer
    x = 5,527,032.60

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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.