Home / 6,823,140.78-9,411,987.12-4,408,692.78

Finding the Fourth Proportional to 6,823,140.78, 9,411,987.12 and 4,408,692.78

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Solution

The fourth proportional to 6,823,140.78, 9,411,987.12 and 4,408,692.78 is: 6,081,445.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823,140.78 : 9,411,987.12 = 4,408,692.78 : x
  2. Step 2: Convert to fraction form
    6,823,140.78/9,411,987.12 = 4,408,692.78/x
  3. Step 3: Cross multiply
    6,823,140.78x = 9,411,987.12 × 4,408,692.78
  4. Step 4: Simplify right side
    6,823,140.78x = 41,494,559,661,396.99
  5. Step 5: Solve for x
    x = 41,494,559,661,396.99/6,823,140.78
  6. Step 6: Final answer
    x = 6,081,445.63

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.