Home / 6,302,775.78-8,697,712.43-3,855,207.02

Finding the Fourth Proportional to 6,302,775.78, 8,697,712.43 and 3,855,207.02

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Solution

The fourth proportional to 6,302,775.78, 8,697,712.43 and 3,855,207.02 is: 5,320,113.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,302,775.78 : 8,697,712.43 = 3,855,207.02 : x
  2. Step 2: Convert to fraction form
    6,302,775.78/8,697,712.43 = 3,855,207.02/x
  3. Step 3: Cross multiply
    6,302,775.78x = 8,697,712.43 × 3,855,207.02
  4. Step 4: Simplify right side
    6,302,775.78x = 33,531,481,984,226.71
  5. Step 5: Solve for x
    x = 33,531,481,984,226.71/6,302,775.78
  6. Step 6: Final answer
    x = 5,320,113.42

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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.