Finding the Fourth Proportional to 21,527,852.68, 29,677,567.86 and 16,936,199.56
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Solution
The fourth proportional to 21,527,852.68, 29,677,567.86 and 16,936,199.56 is: 23,347,670.54
Step by Step Solution
- Step 1: Write the proportion equation
21,527,852.68 : 29,677,567.86 = 16,936,199.56 : x - Step 2: Convert to fraction form
21,527,852.68/29,677,567.86 = 16,936,199.56/x - Step 3: Cross multiply
21,527,852.68x = 29,677,567.86 × 16,936,199.56 - Step 4: Simplify right side
21,527,852.68x = 502,625,211,732,402.06 - Step 5: Solve for x
x = 502,625,211,732,402.06/21,527,852.68 - Step 6: Final answer
x = 23,347,670.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.