Home / 8,468,561.70-12,703,091.52-2,078,813.82

Finding the Fourth Proportional to 8,468,561.70, 12,703,091.52 and 2,078,813.82

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Solution

The fourth proportional to 8,468,561.70, 12,703,091.52 and 2,078,813.82 is: 3,118,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468,561.70 : 12,703,091.52 = 2,078,813.82 : x
  2. Step 2: Convert to fraction form
    8,468,561.70/12,703,091.52 = 2,078,813.82/x
  3. Step 3: Cross multiply
    8,468,561.70x = 12,703,091.52 × 2,078,813.82
  4. Step 4: Simplify right side
    8,468,561.70x = 26,407,362,208,500.80
  5. Step 5: Solve for x
    x = 26,407,362,208,500.80/8,468,561.70
  6. Step 6: Final answer
    x = 3,118,281.85

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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.