Finding the Fourth Proportional to 19,623,264.82, 29,432,654.91 and 5,247,454.06
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Solution
The fourth proportional to 19,623,264.82, 29,432,654.91 and 5,247,454.06 is: 7,870,581.47
Step by Step Solution
- Step 1: Write the proportion equation
19,623,264.82 : 29,432,654.91 = 5,247,454.06 : x - Step 2: Convert to fraction form
19,623,264.82/29,432,654.91 = 5,247,454.06/x - Step 3: Cross multiply
19,623,264.82x = 29,432,654.91 × 5,247,454.06 - Step 4: Simplify right side
19,623,264.82x = 154,446,504,504,058.44 - Step 5: Solve for x
x = 154,446,504,504,058.44/19,623,264.82 - Step 6: Final answer
x = 7,870,581.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.