Finding the Fourth Proportional to 19,343,921.98, 26,694,612.17 and 10,641,907.84
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Solution
The fourth proportional to 19,343,921.98, 26,694,612.17 and 10,641,907.84 is: 14,685,832.73
Step by Step Solution
- Step 1: Write the proportion equation
19,343,921.98 : 26,694,612.17 = 10,641,907.84 : x - Step 2: Convert to fraction form
19,343,921.98/26,694,612.17 = 10,641,907.84/x - Step 3: Cross multiply
19,343,921.98x = 26,694,612.17 × 10,641,907.84 - Step 4: Simplify right side
19,343,921.98x = 284,081,602,537,682.44 - Step 5: Solve for x
x = 284,081,602,537,682.44/19,343,921.98 - Step 6: Final answer
x = 14,685,832.73
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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.