Finding the Fourth Proportional to 16,687,811.92, 25,042,248.28 and 7,103,175.08
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Solution
The fourth proportional to 16,687,811.92, 25,042,248.28 and 7,103,175.08 is: 10,659,244.89
Step by Step Solution
- Step 1: Write the proportion equation
16,687,811.92 : 25,042,248.28 = 7,103,175.08 : x - Step 2: Convert to fraction form
16,687,811.92/25,042,248.28 = 7,103,175.08/x - Step 3: Cross multiply
16,687,811.92x = 25,042,248.28 × 7,103,175.08 - Step 4: Simplify right side
16,687,811.92x = 177,879,473,929,668.88 - Step 5: Solve for x
x = 177,879,473,929,668.88/16,687,811.92 - Step 6: Final answer
x = 10,659,244.89
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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.