Home / 7,830,204.72-11,743,363.08-2,150,147.76

Finding the Fourth Proportional to 7,830,204.72, 11,743,363.08 and 2,150,147.76

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Solution

The fourth proportional to 7,830,204.72, 11,743,363.08 and 2,150,147.76 is: 3,224,687.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830,204.72 : 11,743,363.08 = 2,150,147.76 : x
  2. Step 2: Convert to fraction form
    7,830,204.72/11,743,363.08 = 2,150,147.76/x
  3. Step 3: Cross multiply
    7,830,204.72x = 11,743,363.08 × 2,150,147.76
  4. Step 4: Simplify right side
    7,830,204.72x = 25,249,965,821,328.70
  5. Step 5: Solve for x
    x = 25,249,965,821,328.70/7,830,204.72
  6. Step 6: Final answer
    x = 3,224,687.82

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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.