Finding the Fourth Proportional to 8,657,496.88, 11,944,444.42 and 4,986,339.92
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Solution
The fourth proportional to 8,657,496.88, 11,944,444.42 and 4,986,339.92 is: 6,879,478.08
Step by Step Solution
- Step 1: Write the proportion equation
8,657,496.88 : 11,944,444.42 = 4,986,339.92 : x - Step 2: Convert to fraction form
8,657,496.88/11,944,444.42 = 4,986,339.92/x - Step 3: Cross multiply
8,657,496.88x = 11,944,444.42 × 4,986,339.92 - Step 4: Simplify right side
8,657,496.88x = 59,559,060,033,667.24 - Step 5: Solve for x
x = 59,559,060,033,667.24/8,657,496.88 - Step 6: Final answer
x = 6,879,478.08
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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.