Finding the Fourth Proportional to 10,990,718.40, 15,169,006.92 and 6,097,516.84
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Solution
The fourth proportional to 10,990,718.40, 15,169,006.92 and 6,097,516.84 is: 8,415,580.47
Step by Step Solution
- Step 1: Write the proportion equation
10,990,718.40 : 15,169,006.92 = 6,097,516.84 : x - Step 2: Convert to fraction form
10,990,718.40/15,169,006.92 = 6,097,516.84/x - Step 3: Cross multiply
10,990,718.40x = 15,169,006.92 × 6,097,516.84 - Step 4: Simplify right side
10,990,718.40x = 92,493,275,140,776.53 - Step 5: Solve for x
x = 92,493,275,140,776.53/10,990,718.40 - Step 6: Final answer
x = 8,415,580.47
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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.