Home / 8,435,501.70-12,653,252.55-6,179,424.90

Finding the Fourth Proportional to 8,435,501.70, 12,653,252.55 and 6,179,424.90

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Solution

The fourth proportional to 8,435,501.70, 12,653,252.55 and 6,179,424.90 is: 9,269,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435,501.70 : 12,653,252.55 = 6,179,424.90 : x
  2. Step 2: Convert to fraction form
    8,435,501.70/12,653,252.55 = 6,179,424.90/x
  3. Step 3: Cross multiply
    8,435,501.70x = 12,653,252.55 × 6,179,424.90
  4. Step 4: Simplify right side
    8,435,501.70x = 78,189,823,873,458.50
  5. Step 5: Solve for x
    x = 78,189,823,873,458.50/8,435,501.70
  6. Step 6: Final answer
    x = 9,269,137.35

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Similar ratio
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1.5x scale

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.