Finding the Fourth Proportional to 7,995,503.40, 11,992,511.52 and 2,238,758.07
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Solution
The fourth proportional to 7,995,503.40, 11,992,511.52 and 2,238,758.07 is: 3,357,928.90
Step by Step Solution
- Step 1: Write the proportion equation
7,995,503.40 : 11,992,511.52 = 2,238,758.07 : x - Step 2: Convert to fraction form
7,995,503.40/11,992,511.52 = 2,238,758.07/x - Step 3: Cross multiply
7,995,503.40x = 11,992,511.52 × 2,238,758.07 - Step 4: Simplify right side
7,995,503.40x = 26,848,331,944,967.96 - Step 5: Solve for x
x = 26,848,331,944,967.96/7,995,503.40 - Step 6: Final answer
x = 3,357,928.90
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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.