Finding the Fourth Proportional to 22,473,791.70, 33,710,687.55 and 9,719,207.70
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Solution
The fourth proportional to 22,473,791.70, 33,710,687.55 and 9,719,207.70 is: 14,578,811.55
Step by Step Solution
- Step 1: Write the proportion equation
22,473,791.70 : 33,710,687.55 = 9,719,207.70 : x - Step 2: Convert to fraction form
22,473,791.70/33,710,687.55 = 9,719,207.70/x - Step 3: Cross multiply
22,473,791.70x = 33,710,687.55 × 9,719,207.70 - Step 4: Simplify right side
22,473,791.70x = 327,641,174,008,254.06 - Step 5: Solve for x
x = 327,641,174,008,254.06/22,473,791.70 - Step 6: Final answer
x = 14,578,811.55
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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.