Finding the Fourth Proportional to 11,384,878.25, 15,711,256.13 and 6,228,129.08
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Solution
The fourth proportional to 11,384,878.25, 15,711,256.13 and 6,228,129.08 is: 8,594,886.04
Step by Step Solution
- Step 1: Write the proportion equation
11,384,878.25 : 15,711,256.13 = 6,228,129.08 : x - Step 2: Convert to fraction form
11,384,878.25/15,711,256.13 = 6,228,129.08/x - Step 3: Cross multiply
11,384,878.25x = 15,711,256.13 × 6,228,129.08 - Step 4: Simplify right side
11,384,878.25x = 97,851,731,194,718.75 - Step 5: Solve for x
x = 97,851,731,194,718.75/11,384,878.25 - Step 6: Final answer
x = 8,594,886.04
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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.