Home / 7,973,190.40-11,959,785.60-5,453,766.40

Finding the Fourth Proportional to 7,973,190.40, 11,959,785.60 and 5,453,766.40

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Solution

The fourth proportional to 7,973,190.40, 11,959,785.60 and 5,453,766.40 is: 8,180,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973,190.40 : 11,959,785.60 = 5,453,766.40 : x
  2. Step 2: Convert to fraction form
    7,973,190.40/11,959,785.60 = 5,453,766.40/x
  3. Step 3: Cross multiply
    7,973,190.40x = 11,959,785.60 × 5,453,766.40
  4. Step 4: Simplify right side
    7,973,190.40x = 65,225,876,856,483.84
  5. Step 5: Solve for x
    x = 65,225,876,856,483.84/7,973,190.40
  6. Step 6: Final answer
    x = 8,180,649.60

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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.