Finding the Fourth Proportional to 11,361,822.48, 15,679,415.16 and 6,467,359.68
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Solution
The fourth proportional to 11,361,822.48, 15,679,415.16 and 6,467,359.68 is: 8,925,013.36
Step by Step Solution
- Step 1: Write the proportion equation
11,361,822.48 : 15,679,415.16 = 6,467,359.68 : x - Step 2: Convert to fraction form
11,361,822.48/15,679,415.16 = 6,467,359.68/x - Step 3: Cross multiply
11,361,822.48x = 15,679,415.16 × 6,467,359.68 - Step 4: Simplify right side
11,361,822.48x = 101,404,417,411,764.75 - Step 5: Solve for x
x = 101,404,417,411,764.75/11,361,822.48 - Step 6: Final answer
x = 8,925,013.36
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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.