Finding the Fourth Proportional to 13,517,865.84, 18,654,575.04 and 7,323,030.60
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Solution
The fourth proportional to 13,517,865.84, 18,654,575.04 and 7,323,030.60 is: 10,105,738.99
Step by Step Solution
- Step 1: Write the proportion equation
13,517,865.84 : 18,654,575.04 = 7,323,030.60 : x - Step 2: Convert to fraction form
13,517,865.84/18,654,575.04 = 7,323,030.60/x - Step 3: Cross multiply
13,517,865.84x = 18,654,575.04 × 7,323,030.60 - Step 4: Simplify right side
13,517,865.84x = 136,608,023,847,916.20 - Step 5: Solve for x
x = 136,608,023,847,916.20/13,517,865.84 - Step 6: Final answer
x = 10,105,738.99
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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.