Finding the Fourth Proportional to 8,654,913.54, 11,943,633.24 and 4,787,431.56
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Solution
The fourth proportional to 8,654,913.54, 11,943,633.24 and 4,787,431.56 is: 6,606,573.99
Step by Step Solution
- Step 1: Write the proportion equation
8,654,913.54 : 11,943,633.24 = 4,787,431.56 : x - Step 2: Convert to fraction form
8,654,913.54/11,943,633.24 = 4,787,431.56/x - Step 3: Cross multiply
8,654,913.54x = 11,943,633.24 × 4,787,431.56 - Step 4: Simplify right side
8,654,913.54x = 57,179,326,714,241.05 - Step 5: Solve for x
x = 57,179,326,714,241.05/8,654,913.54 - Step 6: Final answer
x = 6,606,573.99
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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.