Finding the Fourth Proportional to 10,026,342.63, 15,045,201.98 and 5,415,271.83
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Solution
The fourth proportional to 10,026,342.63, 15,045,201.98 and 5,415,271.83 is: 8,125,979.88
Step by Step Solution
- Step 1: Write the proportion equation
10,026,342.63 : 15,045,201.98 = 5,415,271.83 : x - Step 2: Convert to fraction form
10,026,342.63/15,045,201.98 = 5,415,271.83/x - Step 3: Cross multiply
10,026,342.63x = 15,045,201.98 × 5,415,271.83 - Step 4: Simplify right side
10,026,342.63x = 81,473,858,431,877.86 - Step 5: Solve for x
x = 81,473,858,431,877.86/10,026,342.63 - Step 6: Final answer
x = 8,125,979.88
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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.