Finding the Fourth Proportional to 7,975,616.64, 11,006,395.68 and 4,537,857.60
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Solution
The fourth proportional to 7,975,616.64, 11,006,395.68 and 4,537,857.60 is: 6,262,268.93
Step by Step Solution
- Step 1: Write the proportion equation
7,975,616.64 : 11,006,395.68 = 4,537,857.60 : x - Step 2: Convert to fraction form
7,975,616.64/11,006,395.68 = 4,537,857.60/x - Step 3: Cross multiply
7,975,616.64x = 11,006,395.68 × 4,537,857.60 - Step 4: Simplify right side
7,975,616.64x = 49,945,456,285,095.16 - Step 5: Solve for x
x = 49,945,456,285,095.16/7,975,616.64 - Step 6: Final answer
x = 6,262,268.93
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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.