Finding the Fourth Proportional to 10,149,574.75, 14,006,688.57 and 5,739,959.80
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Solution
The fourth proportional to 10,149,574.75, 14,006,688.57 and 5,739,959.80 is: 7,921,300.28
Step by Step Solution
- Step 1: Write the proportion equation
10,149,574.75 : 14,006,688.57 = 5,739,959.80 : x - Step 2: Convert to fraction form
10,149,574.75/14,006,688.57 = 5,739,959.80/x - Step 3: Cross multiply
10,149,574.75x = 14,006,688.57 × 5,739,959.80 - Step 4: Simplify right side
10,149,574.75x = 80,397,829,322,919.48 - Step 5: Solve for x
x = 80,397,829,322,919.48/10,149,574.75 - Step 6: Final answer
x = 7,921,300.28
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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.