Finding the Fourth Proportional to 19,952,728.96, 27,534,774.12 and 10,785,371.68
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Solution
The fourth proportional to 19,952,728.96, 27,534,774.12 and 10,785,371.68 is: 14,883,817.33
Step by Step Solution
- Step 1: Write the proportion equation
19,952,728.96 : 27,534,774.12 = 10,785,371.68 : x - Step 2: Convert to fraction form
19,952,728.96/27,534,774.12 = 10,785,371.68/x - Step 3: Cross multiply
19,952,728.96x = 27,534,774.12 × 10,785,371.68 - Step 4: Simplify right side
19,952,728.96x = 296,972,773,009,044.94 - Step 5: Solve for x
x = 296,972,773,009,044.94/19,952,728.96 - Step 6: Final answer
x = 14,883,817.33
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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.