Home / 7,215,093.80-10,822,640.70-4,475,220.20

Finding the Fourth Proportional to 7,215,093.80, 10,822,640.70 and 4,475,220.20

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Solution

The fourth proportional to 7,215,093.80, 10,822,640.70 and 4,475,220.20 is: 6,712,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215,093.80 : 10,822,640.70 = 4,475,220.20 : x
  2. Step 2: Convert to fraction form
    7,215,093.80/10,822,640.70 = 4,475,220.20/x
  3. Step 3: Cross multiply
    7,215,093.80x = 10,822,640.70 × 4,475,220.20
  4. Step 4: Simplify right side
    7,215,093.80x = 48,433,700,277,982.14
  5. Step 5: Solve for x
    x = 48,433,700,277,982.14/7,215,093.80
  6. Step 6: Final answer
    x = 6,712,830.30

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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.