Finding the Fourth Proportional to 19,675,376.66, 29,516,847.82 and 7,543,893.98
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Solution
The fourth proportional to 19,675,376.66, 29,516,847.82 and 7,543,893.98 is: 11,317,291.37
Step by Step Solution
- Step 1: Write the proportion equation
19,675,376.66 : 29,516,847.82 = 7,543,893.98 : x - Step 2: Convert to fraction form
19,675,376.66/29,516,847.82 = 7,543,893.98/x - Step 3: Cross multiply
19,675,376.66x = 29,516,847.82 × 7,543,893.98 - Step 4: Simplify right side
19,675,376.66x = 222,671,970,411,430.12 - Step 5: Solve for x
x = 222,671,970,411,430.12/19,675,376.66 - Step 6: Final answer
x = 11,317,291.37
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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.