Home / 19,816,144.40-29,724,216.60-8,478,736.40

Finding the Fourth Proportional to 19,816,144.40, 29,724,216.60 and 8,478,736.40

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Solution

The fourth proportional to 19,816,144.40, 29,724,216.60 and 8,478,736.40 is: 12,718,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816,144.40 : 29,724,216.60 = 8,478,736.40 : x
  2. Step 2: Convert to fraction form
    19,816,144.40/29,724,216.60 = 8,478,736.40/x
  3. Step 3: Cross multiply
    19,816,144.40x = 29,724,216.60 × 8,478,736.40
  4. Step 4: Simplify right side
    19,816,144.40x = 252,023,797,247,904.25
  5. Step 5: Solve for x
    x = 252,023,797,247,904.25/19,816,144.40
  6. Step 6: Final answer
    x = 12,718,104.60

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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.