Finding the Fourth Proportional to 18,641,443.13, 27,963,161.14 and 5,862,944.28
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Solution
The fourth proportional to 18,641,443.13, 27,963,161.14 and 5,862,944.28 is: 8,794,729.81
Step by Step Solution
- Step 1: Write the proportion equation
18,641,443.13 : 27,963,161.14 = 5,862,944.28 : x - Step 2: Convert to fraction form
18,641,443.13/27,963,161.14 = 5,862,944.28/x - Step 3: Cross multiply
18,641,443.13x = 27,963,161.14 × 5,862,944.28 - Step 4: Simplify right side
18,641,443.13x = 163,946,455,656,481.28 - Step 5: Solve for x
x = 163,946,455,656,481.28/18,641,443.13 - Step 6: Final answer
x = 8,794,729.81
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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.