Home / 6,356,419.89-8,771,815.92-3,455,810.70

Finding the Fourth Proportional to 6,356,419.89, 8,771,815.92 and 3,455,810.70

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Solution

The fourth proportional to 6,356,419.89, 8,771,815.92 and 3,455,810.70 is: 4,768,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,356,419.89 : 8,771,815.92 = 3,455,810.70 : x
  2. Step 2: Convert to fraction form
    6,356,419.89/8,771,815.92 = 3,455,810.70/x
  3. Step 3: Cross multiply
    6,356,419.89x = 8,771,815.92 × 3,455,810.70
  4. Step 4: Simplify right side
    6,356,419.89x = 30,313,735,314,766.34
  5. Step 5: Solve for x
    x = 30,313,735,314,766.34/6,356,419.89
  6. Step 6: Final answer
    x = 4,768,995.10

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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.