Finding the Fourth Proportional to 11,686,471.82, 16,127,297.04 and 6,529,837.40
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Solution
The fourth proportional to 11,686,471.82, 16,127,297.04 and 6,529,837.40 is: 9,011,156.57
Step by Step Solution
- Step 1: Write the proportion equation
11,686,471.82 : 16,127,297.04 = 6,529,837.40 : x - Step 2: Convert to fraction form
11,686,471.82/16,127,297.04 = 6,529,837.40/x - Step 3: Cross multiply
11,686,471.82x = 16,127,297.04 × 6,529,837.40 - Step 4: Simplify right side
11,686,471.82x = 105,308,627,372,701.30 - Step 5: Solve for x
x = 105,308,627,372,701.30/11,686,471.82 - Step 6: Final answer
x = 9,011,156.57
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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.