Finding the Fourth Proportional to 8,271,698.70, 12,407,548.05 and 6,358,511.10
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Solution
The fourth proportional to 8,271,698.70, 12,407,548.05 and 6,358,511.10 is: 9,537,766.65
Step by Step Solution
- Step 1: Write the proportion equation
8,271,698.70 : 12,407,548.05 = 6,358,511.10 : x - Step 2: Convert to fraction form
8,271,698.70/12,407,548.05 = 6,358,511.10/x - Step 3: Cross multiply
8,271,698.70x = 12,407,548.05 × 6,358,511.10 - Step 4: Simplify right side
8,271,698.70x = 78,893,531,999,708.36 - Step 5: Solve for x
x = 78,893,531,999,708.36/8,271,698.70 - Step 6: Final answer
x = 9,537,766.65
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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.