Finding the Fourth Proportional to 12,415,053.36, 17,123,067.70 and 8,065,541.08
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Solution
The fourth proportional to 12,415,053.36, 17,123,067.70 and 8,065,541.08 is: 11,124,141.15
Step by Step Solution
- Step 1: Write the proportion equation
12,415,053.36 : 17,123,067.70 = 8,065,541.08 : x - Step 2: Convert to fraction form
12,415,053.36/17,123,067.70 = 8,065,541.08/x - Step 3: Cross multiply
12,415,053.36x = 17,123,067.70 × 8,065,541.08 - Step 4: Simplify right side
12,415,053.36x = 138,106,805,951,211.11 - Step 5: Solve for x
x = 138,106,805,951,211.11/12,415,053.36 - Step 6: Final answer
x = 11,124,141.15
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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.