Finding the Fourth Proportional to 19,754,699.63, 29,642,266.70 and 14,334,481.95
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Solution
The fourth proportional to 19,754,699.63, 29,642,266.70 and 14,334,481.95 is: 21,509,136.81
Step by Step Solution
- Step 1: Write the proportion equation
19,754,699.63 : 29,642,266.70 = 14,334,481.95 : x - Step 2: Convert to fraction form
19,754,699.63/29,642,266.70 = 14,334,481.95/x - Step 3: Cross multiply
19,754,699.63x = 29,642,266.70 × 14,334,481.95 - Step 4: Simplify right side
19,754,699.63x = 424,906,536,896,563.62 - Step 5: Solve for x
x = 424,906,536,896,563.62/19,754,699.63 - Step 6: Final answer
x = 21,509,136.81
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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.