Finding the Fourth Proportional to 10,875,712.68, 15,008,184.18 and 5,980,934.70
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Solution
The fourth proportional to 10,875,712.68, 15,008,184.18 and 5,980,934.70 is: 8,253,525.28
Step by Step Solution
- Step 1: Write the proportion equation
10,875,712.68 : 15,008,184.18 = 5,980,934.70 : x - Step 2: Convert to fraction form
10,875,712.68/15,008,184.18 = 5,980,934.70/x - Step 3: Cross multiply
10,875,712.68x = 15,008,184.18 × 5,980,934.70 - Step 4: Simplify right side
10,875,712.68x = 89,762,969,546,153.05 - Step 5: Solve for x
x = 89,762,969,546,153.05/10,875,712.68 - Step 6: Final answer
x = 8,253,525.28
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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.