Finding the Fourth Proportional to 13,459,241.04, 18,573,658.14 and 7,347,669.54
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Solution
The fourth proportional to 13,459,241.04, 18,573,658.14 and 7,347,669.54 is: 10,139,732.38
Step by Step Solution
- Step 1: Write the proportion equation
13,459,241.04 : 18,573,658.14 = 7,347,669.54 : x - Step 2: Convert to fraction form
13,459,241.04/18,573,658.14 = 7,347,669.54/x - Step 3: Cross multiply
13,459,241.04x = 18,573,658.14 × 7,347,669.54 - Step 4: Simplify right side
13,459,241.04x = 136,473,102,161,651.06 - Step 5: Solve for x
x = 136,473,102,161,651.06/13,459,241.04 - Step 6: Final answer
x = 10,139,732.38
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1.5x scale
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.