Finding the Fourth Proportional to 10,660,149.67, 14,711,006.55 and 5,765,371.75
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Solution
The fourth proportional to 10,660,149.67, 14,711,006.55 and 5,765,371.75 is: 7,956,213.02
Step by Step Solution
- Step 1: Write the proportion equation
10,660,149.67 : 14,711,006.55 = 5,765,371.75 : x - Step 2: Convert to fraction form
10,660,149.67/14,711,006.55 = 5,765,371.75/x - Step 3: Cross multiply
10,660,149.67x = 14,711,006.55 × 5,765,371.75 - Step 4: Simplify right side
10,660,149.67x = 84,814,421,577,434.97 - Step 5: Solve for x
x = 84,814,421,577,434.97/10,660,149.67 - Step 6: Final answer
x = 7,956,213.02
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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.