Finding the Fourth Proportional to 10,517,415.84, 15,778,486.80 and 3,329,380.80
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Solution
The fourth proportional to 10,517,415.84, 15,778,486.80 and 3,329,380.80 is: 4,994,819.24
Step by Step Solution
- Step 1: Write the proportion equation
10,517,415.84 : 15,778,486.80 = 3,329,380.80 : x - Step 2: Convert to fraction form
10,517,415.84/15,778,486.80 = 3,329,380.80/x - Step 3: Cross multiply
10,517,415.84x = 15,778,486.80 × 3,329,380.80 - Step 4: Simplify right side
10,517,415.84x = 52,532,591,004,973.44 - Step 5: Solve for x
x = 52,532,591,004,973.44/10,517,415.84 - Step 6: Final answer
x = 4,994,819.24
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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.