Finding the Fourth Proportional to 11,330,671.26, 15,635,837.58 and 6,435,878.22
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Solution
The fourth proportional to 11,330,671.26, 15,635,837.58 and 6,435,878.22 is: 8,881,234.33
Step by Step Solution
- Step 1: Write the proportion equation
11,330,671.26 : 15,635,837.58 = 6,435,878.22 : x - Step 2: Convert to fraction form
11,330,671.26/15,635,837.58 = 6,435,878.22/x - Step 3: Cross multiply
11,330,671.26x = 15,635,837.58 × 6,435,878.22 - Step 4: Simplify right side
11,330,671.26x = 100,630,346,532,579.50 - Step 5: Solve for x
x = 100,630,346,532,579.50/11,330,671.26 - Step 6: Final answer
x = 8,881,234.33
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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.