Finding the Fourth Proportional to 17,680,383.10, 24,365,585.19 and 15,490,661.50
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Solution
The fourth proportional to 17,680,383.10, 24,365,585.19 and 15,490,661.50 is: 21,347,898.98
Step by Step Solution
- Step 1: Write the proportion equation
17,680,383.10 : 24,365,585.19 = 15,490,661.50 : x - Step 2: Convert to fraction form
17,680,383.10/24,365,585.19 = 15,490,661.50/x - Step 3: Cross multiply
17,680,383.10x = 24,365,585.19 × 15,490,661.50 - Step 4: Simplify right side
17,680,383.10x = 377,439,032,427,703.19 - Step 5: Solve for x
x = 377,439,032,427,703.19/17,680,383.10 - Step 6: Final answer
x = 21,347,898.98
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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.