Finding the Fourth Proportional to 18,266,521.50, 25,207,725.49 and 10,006,572.08
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Solution
The fourth proportional to 18,266,521.50, 25,207,725.49 and 10,006,572.08 is: 13,809,028.83
Step by Step Solution
- Step 1: Write the proportion equation
18,266,521.50 : 25,207,725.49 = 10,006,572.08 : x - Step 2: Convert to fraction form
18,266,521.50/25,207,725.49 = 10,006,572.08/x - Step 3: Cross multiply
18,266,521.50x = 25,207,725.49 × 10,006,572.08 - Step 4: Simplify right side
18,266,521.50x = 252,242,922,088,538.31 - Step 5: Solve for x
x = 252,242,922,088,538.31/18,266,521.50 - Step 6: Final answer
x = 13,809,028.83
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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.