Home / 12,583,535.65-18,892,976.66-6,439,911.62

Finding the Fourth Proportional to 12,583,535.65, 18,892,976.66 and 6,439,911.62

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Solution

The fourth proportional to 12,583,535.65, 18,892,976.66 and 6,439,911.62 is: 9,668,912.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583,535.65 : 18,892,976.66 = 6,439,911.62 : x
  2. Step 2: Convert to fraction form
    12,583,535.65/18,892,976.66 = 6,439,911.62/x
  3. Step 3: Cross multiply
    12,583,535.65x = 18,892,976.66 × 6,439,911.62
  4. Step 4: Simplify right side
    12,583,535.65x = 121,669,099,933,479.92
  5. Step 5: Solve for x
    x = 121,669,099,933,479.92/12,583,535.65
  6. Step 6: Final answer
    x = 9,668,912.08

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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.