Home / 7,800,702.45-11,702,300.27-2,408,085.33

Finding the Fourth Proportional to 7,800,702.45, 11,702,300.27 and 2,408,085.33

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Solution

The fourth proportional to 7,800,702.45, 11,702,300.27 and 2,408,085.33 is: 3,612,512.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800,702.45 : 11,702,300.27 = 2,408,085.33 : x
  2. Step 2: Convert to fraction form
    7,800,702.45/11,702,300.27 = 2,408,085.33/x
  3. Step 3: Cross multiply
    7,800,702.45x = 11,702,300.27 × 2,408,085.33
  4. Step 4: Simplify right side
    7,800,702.45x = 28,180,137,595,401.61
  5. Step 5: Solve for x
    x = 28,180,137,595,401.61/7,800,702.45
  6. Step 6: Final answer
    x = 3,612,512.82

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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.