Finding the Fourth Proportional to 18,844,631.68, 26,005,825.28 and 10,586,497.80
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Solution
The fourth proportional to 18,844,631.68, 26,005,825.28 and 10,586,497.80 is: 14,609,498.17
Step by Step Solution
- Step 1: Write the proportion equation
18,844,631.68 : 26,005,825.28 = 10,586,497.80 : x - Step 2: Convert to fraction form
18,844,631.68/26,005,825.28 = 10,586,497.80/x - Step 3: Cross multiply
18,844,631.68x = 26,005,825.28 × 10,586,497.80 - Step 4: Simplify right side
18,844,631.68x = 275,310,612,113,904.41 - Step 5: Solve for x
x = 275,310,612,113,904.41/18,844,631.68 - Step 6: Final answer
x = 14,609,498.17
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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.