Finding the Fourth Proportional to 19,750,901.06, 27,245,269.68 and 11,490,033.44
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Solution
The fourth proportional to 19,750,901.06, 27,245,269.68 and 11,490,033.44 is: 15,849,862.18
Step by Step Solution
- Step 1: Write the proportion equation
19,750,901.06 : 27,245,269.68 = 11,490,033.44 : x - Step 2: Convert to fraction form
19,750,901.06/27,245,269.68 = 11,490,033.44/x - Step 3: Cross multiply
19,750,901.06x = 27,245,269.68 × 11,490,033.44 - Step 4: Simplify right side
19,750,901.06x = 313,049,059,705,018.06 - Step 5: Solve for x
x = 313,049,059,705,018.06/19,750,901.06 - Step 6: Final answer
x = 15,849,862.18
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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.