Finding the Fourth Proportional to 19,226,646.72, 26,532,107.42 and 10,969,382.18
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Solution
The fourth proportional to 19,226,646.72, 26,532,107.42 and 10,969,382.18 is: 15,137,367.98
Step by Step Solution
- Step 1: Write the proportion equation
19,226,646.72 : 26,532,107.42 = 10,969,382.18 : x - Step 2: Convert to fraction form
19,226,646.72/26,532,107.42 = 10,969,382.18/x - Step 3: Cross multiply
19,226,646.72x = 26,532,107.42 × 10,969,382.18 - Step 4: Simplify right side
19,226,646.72x = 291,040,826,342,277.12 - Step 5: Solve for x
x = 291,040,826,342,277.12/19,226,646.72 - Step 6: Final answer
x = 15,137,367.98
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Double scale
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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.