Finding the Fourth Proportional to 18,313,948.18, 25,273,186 and 10,053,804.70
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Solution
The fourth proportional to 18,313,948.18, 25,273,186 and 10,053,804.70 is: 13,874,216.18
Step by Step Solution
- Step 1: Write the proportion equation
18,313,948.18 : 25,273,186 = 10,053,804.70 : x - Step 2: Convert to fraction form
18,313,948.18/25,273,186 = 10,053,804.70/x - Step 3: Cross multiply
18,313,948.18x = 25,273,186 × 10,053,804.70 - Step 4: Simplify right side
18,313,948.18x = 254,091,676,190,774.19 - Step 5: Solve for x
x = 254,091,676,190,774.19/18,313,948.18 - Step 6: Final answer
x = 13,874,216.18
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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.