Home / 11,861,643.20-17,792,464.80-7,823,566.40

Finding the Fourth Proportional to 11,861,643.20, 17,792,464.80 and 7,823,566.40

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Solution

The fourth proportional to 11,861,643.20, 17,792,464.80 and 7,823,566.40 is: 11,735,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861,643.20 : 17,792,464.80 = 7,823,566.40 : x
  2. Step 2: Convert to fraction form
    11,861,643.20/17,792,464.80 = 7,823,566.40/x
  3. Step 3: Cross multiply
    11,861,643.20x = 17,792,464.80 × 7,823,566.40
  4. Step 4: Simplify right side
    11,861,643.20x = 139,200,529,782,462.73
  5. Step 5: Solve for x
    x = 139,200,529,782,462.73/11,861,643.20
  6. Step 6: Final answer
    x = 11,735,349.60

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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.