Finding the Fourth Proportional to 15,832,864.92, 21,849,395.94 and 8,589,520.92
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Solution
The fourth proportional to 15,832,864.92, 21,849,395.94 and 8,589,520.92 is: 11,853,561.85
Step by Step Solution
- Step 1: Write the proportion equation
15,832,864.92 : 21,849,395.94 = 8,589,520.92 : x - Step 2: Convert to fraction form
15,832,864.92/21,849,395.94 = 8,589,520.92/x - Step 3: Cross multiply
15,832,864.92x = 21,849,395.94 × 8,589,520.92 - Step 4: Simplify right side
15,832,864.92x = 187,675,843,515,993.06 - Step 5: Solve for x
x = 187,675,843,515,993.06/15,832,864.92 - Step 6: Final answer
x = 11,853,561.85
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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.