Finding the Fourth Proportional to 15,555,524.94, 21,466,626.21 and 8,586,204.84
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Solution
The fourth proportional to 15,555,524.94, 21,466,626.21 and 8,586,204.84 is: 11,848,963.67
Step by Step Solution
- Step 1: Write the proportion equation
15,555,524.94 : 21,466,626.21 = 8,586,204.84 : x - Step 2: Convert to fraction form
15,555,524.94/21,466,626.21 = 8,586,204.84/x - Step 3: Cross multiply
15,555,524.94x = 21,466,626.21 × 8,586,204.84 - Step 4: Simplify right side
15,555,524.94x = 184,316,849,862,772.88 - Step 5: Solve for x
x = 184,316,849,862,772.88/15,555,524.94 - Step 6: Final answer
x = 11,848,963.67
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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.