Finding the Fourth Proportional to 10,578,274.25, 15,873,390.11 and 4,512,432.92
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Solution
The fourth proportional to 10,578,274.25, 15,873,390.11 and 4,512,432.92 is: 6,771,199.76
Step by Step Solution
- Step 1: Write the proportion equation
10,578,274.25 : 15,873,390.11 = 4,512,432.92 : x - Step 2: Convert to fraction form
10,578,274.25/15,873,390.11 = 4,512,432.92/x - Step 3: Cross multiply
10,578,274.25x = 15,873,390.11 × 4,512,432.92 - Step 4: Simplify right side
10,578,274.25x = 71,627,608,016,280.56 - Step 5: Solve for x
x = 71,627,608,016,280.56/10,578,274.25 - Step 6: Final answer
x = 6,771,199.76
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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.