Finding the Fourth Proportional to 11,415,318.23, 15,753,782.75 and 6,771,852.51
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Solution
The fourth proportional to 11,415,318.23, 15,753,782.75 and 6,771,852.51 is: 9,345,538.26
Step by Step Solution
- Step 1: Write the proportion equation
11,415,318.23 : 15,753,782.75 = 6,771,852.51 : x - Step 2: Convert to fraction form
11,415,318.23/15,753,782.75 = 6,771,852.51/x - Step 3: Cross multiply
11,415,318.23x = 15,753,782.75 × 6,771,852.51 - Step 4: Simplify right side
11,415,318.23x = 106,682,293,223,722.94 - Step 5: Solve for x
x = 106,682,293,223,722.94/11,415,318.23 - Step 6: Final answer
x = 9,345,538.26
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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.