Finding the Fourth Proportional to 9,817,589.23, 13,548,143.97 and 5,407,230.18
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Solution
The fourth proportional to 9,817,589.23, 13,548,143.97 and 5,407,230.18 is: 7,461,906.51
Step by Step Solution
- Step 1: Write the proportion equation
9,817,589.23 : 13,548,143.97 = 5,407,230.18 : x - Step 2: Convert to fraction form
9,817,589.23/13,548,143.97 = 5,407,230.18/x - Step 3: Cross multiply
9,817,589.23x = 13,548,143.97 × 5,407,230.18 - Step 4: Simplify right side
9,817,589.23x = 73,257,932,957,569.02 - Step 5: Solve for x
x = 73,257,932,957,569.02/9,817,589.23 - Step 6: Final answer
x = 7,461,906.51
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1.5x scale
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.