Finding the Fourth Proportional to 30,019,387.36, 41,426,789.99 and 16,268,351.49
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Solution
The fourth proportional to 30,019,387.36, 41,426,789.99 and 16,268,351.49 is: 22,450,344.25
Step by Step Solution
- Step 1: Write the proportion equation
30,019,387.36 : 41,426,789.99 = 16,268,351.49 : x - Step 2: Convert to fraction form
30,019,387.36/41,426,789.99 = 16,268,351.49/x - Step 3: Cross multiply
30,019,387.36x = 41,426,789.99 × 16,268,351.49 - Step 4: Simplify right side
30,019,387.36x = 673,945,580,599,155.75 - Step 5: Solve for x
x = 673,945,580,599,155.75/30,019,387.36 - Step 6: Final answer
x = 22,450,344.25
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.