Finding the Fourth Proportional to 14,125,279.79, 21,187,991.10 and 4,409,078.31
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Solution
The fourth proportional to 14,125,279.79, 21,187,991.10 and 4,409,078.31 is: 6,613,639.76
Step by Step Solution
- Step 1: Write the proportion equation
14,125,279.79 : 21,187,991.10 = 4,409,078.31 : x - Step 2: Convert to fraction form
14,125,279.79/21,187,991.10 = 4,409,078.31/x - Step 3: Cross multiply
14,125,279.79x = 21,187,991.10 × 4,409,078.31 - Step 4: Simplify right side
14,125,279.79x = 93,419,512,049,964.38 - Step 5: Solve for x
x = 93,419,512,049,964.38/14,125,279.79 - Step 6: Final answer
x = 6,613,639.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.