Finding the Fourth Proportional to 18,445,067.70, 27,667,601.55 and 17,185,355.70
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Solution
The fourth proportional to 18,445,067.70, 27,667,601.55 and 17,185,355.70 is: 25,778,033.55
Step by Step Solution
- Step 1: Write the proportion equation
18,445,067.70 : 27,667,601.55 = 17,185,355.70 : x - Step 2: Convert to fraction form
18,445,067.70/27,667,601.55 = 17,185,355.70/x - Step 3: Cross multiply
18,445,067.70x = 27,667,601.55 × 17,185,355.70 - Step 4: Simplify right side
18,445,067.70x = 475,477,574,002,621.31 - Step 5: Solve for x
x = 475,477,574,002,621.31/18,445,067.70 - Step 6: Final answer
x = 25,778,033.55
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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.