Finding the Fourth Proportional to 20,066,595.68, 27,692,266.83 and 11,366,574.68
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Solution
The fourth proportional to 20,066,595.68, 27,692,266.83 and 11,366,574.68 is: 15,686,079.69
Step by Step Solution
- Step 1: Write the proportion equation
20,066,595.68 : 27,692,266.83 = 11,366,574.68 : x - Step 2: Convert to fraction form
20,066,595.68/27,692,266.83 = 11,366,574.68/x - Step 3: Cross multiply
20,066,595.68x = 27,692,266.83 × 11,366,574.68 - Step 4: Simplify right side
20,066,595.68x = 314,766,218,981,681.81 - Step 5: Solve for x
x = 314,766,218,981,681.81/20,066,595.68 - Step 6: Final answer
x = 15,686,079.69
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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.