Finding the Fourth Proportional to 35,153,963.50, 48,504,623.70 and 21,217,579.24
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Solution
The fourth proportional to 35,153,963.50, 48,504,623.70 and 21,217,579.24 is: 29,275,523.85
Step by Step Solution
- Step 1: Write the proportion equation
35,153,963.50 : 48,504,623.70 = 21,217,579.24 : x - Step 2: Convert to fraction form
35,153,963.50/48,504,623.70 = 21,217,579.24/x - Step 3: Cross multiply
35,153,963.50x = 48,504,623.70 × 21,217,579.24 - Step 4: Simplify right side
35,153,963.50x = 1,029,150,696,861,132 - Step 5: Solve for x
x = 1,029,150,696,861,132/35,153,963.50 - Step 6: Final answer
x = 29,275,523.85
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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.