Finding the Fourth Proportional to 10,305,923.68, 14,221,104.42 and 5,956,399.18
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Solution
The fourth proportional to 10,305,923.68, 14,221,104.42 and 5,956,399.18 is: 8,219,212.30
Step by Step Solution
- Step 1: Write the proportion equation
10,305,923.68 : 14,221,104.42 = 5,956,399.18 : x - Step 2: Convert to fraction form
10,305,923.68/14,221,104.42 = 5,956,399.18/x - Step 3: Cross multiply
10,305,923.68x = 14,221,104.42 × 5,956,399.18 - Step 4: Simplify right side
10,305,923.68x = 84,706,574,705,982.38 - Step 5: Solve for x
x = 84,706,574,705,982.38/10,305,923.68 - Step 6: Final answer
x = 8,219,212.30
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1.5x scale
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.