Finding the Fourth Proportional to 7,873,810.63, 10,865,858.60 and 4,252,138.63
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Solution
The fourth proportional to 7,873,810.63, 10,865,858.60 and 4,252,138.63 is: 5,867,951.27
Step by Step Solution
- Step 1: Write the proportion equation
7,873,810.63 : 10,865,858.60 = 4,252,138.63 : x - Step 2: Convert to fraction form
7,873,810.63/10,865,858.60 = 4,252,138.63/x - Step 3: Cross multiply
7,873,810.63x = 10,865,858.60 × 4,252,138.63 - Step 4: Simplify right side
7,873,810.63x = 46,203,137,084,643.42 - Step 5: Solve for x
x = 46,203,137,084,643.42/7,873,810.63 - Step 6: Final answer
x = 5,867,951.27
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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.