Finding the Fourth Proportional to 8,437,309.70, 11,643,726.04 and 4,766,381.19
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Solution
The fourth proportional to 8,437,309.70, 11,643,726.04 and 4,766,381.19 is: 6,577,740.86
Step by Step Solution
- Step 1: Write the proportion equation
8,437,309.70 : 11,643,726.04 = 4,766,381.19 : x - Step 2: Convert to fraction form
8,437,309.70/11,643,726.04 = 4,766,381.19/x - Step 3: Cross multiply
8,437,309.70x = 11,643,726.04 × 4,766,381.19 - Step 4: Simplify right side
8,437,309.70x = 55,498,436,766,653.23 - Step 5: Solve for x
x = 55,498,436,766,653.23/8,437,309.70 - Step 6: Final answer
x = 6,577,740.86
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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.