Finding the Fourth Proportional to 19,614,603.82, 29,428,526.94 and 8,683,285.82
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Solution
The fourth proportional to 19,614,603.82, 29,428,526.94 and 8,683,285.82 is: 13,027,859.91
Step by Step Solution
- Step 1: Write the proportion equation
19,614,603.82 : 29,428,526.94 = 8,683,285.82 : x - Step 2: Convert to fraction form
19,614,603.82/29,428,526.94 = 8,683,285.82/x - Step 3: Cross multiply
19,614,603.82x = 29,428,526.94 × 8,683,285.82 - Step 4: Simplify right side
19,614,603.82x = 255,536,310,681,590 - Step 5: Solve for x
x = 255,536,310,681,590/19,614,603.82 - Step 6: Final answer
x = 13,027,859.91
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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.