Home / 19,933,426.40-29,914,136.40-8,582,021.60

Finding the Fourth Proportional to 19,933,426.40, 29,914,136.40 and 8,582,021.60

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Solution

The fourth proportional to 19,933,426.40, 29,914,136.40 and 8,582,021.60 is: 12,879,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933,426.40 : 29,914,136.40 = 8,582,021.60 : x
  2. Step 2: Convert to fraction form
    19,933,426.40/29,914,136.40 = 8,582,021.60/x
  3. Step 3: Cross multiply
    19,933,426.40x = 29,914,136.40 × 8,582,021.60
  4. Step 4: Simplify right side
    19,933,426.40x = 256,723,764,730,146.22
  5. Step 5: Solve for x
    x = 256,723,764,730,146.22/19,933,426.40
  6. Step 6: Final answer
    x = 12,879,058.50

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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.