Finding the Fourth Proportional to 19,636,747.68, 29,459,757.96 and 6,173,575.68
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Solution
The fourth proportional to 19,636,747.68, 29,459,757.96 and 6,173,575.68 is: 9,261,821.17
Step by Step Solution
- Step 1: Write the proportion equation
19,636,747.68 : 29,459,757.96 = 6,173,575.68 : x - Step 2: Convert to fraction form
19,636,747.68/29,459,757.96 = 6,173,575.68/x - Step 3: Cross multiply
19,636,747.68x = 29,459,757.96 × 6,173,575.68 - Step 4: Simplify right side
19,636,747.68x = 181,872,045,280,542.41 - Step 5: Solve for x
x = 181,872,045,280,542.41/19,636,747.68 - Step 6: Final answer
x = 9,261,821.17
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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.