Home / 8,586,664.30-12,879,905.67-2,196,865.90

Finding the Fourth Proportional to 8,586,664.30, 12,879,905.67 and 2,196,865.90

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Solution

The fourth proportional to 8,586,664.30, 12,879,905.67 and 2,196,865.90 is: 3,295,275.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586,664.30 : 12,879,905.67 = 2,196,865.90 : x
  2. Step 2: Convert to fraction form
    8,586,664.30/12,879,905.67 = 2,196,865.90/x
  3. Step 3: Cross multiply
    8,586,664.30x = 12,879,905.67 × 2,196,865.90
  4. Step 4: Simplify right side
    8,586,664.30x = 28,295,425,561,639.65
  5. Step 5: Solve for x
    x = 28,295,425,561,639.65/8,586,664.30
  6. Step 6: Final answer
    x = 3,295,275.62

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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.