Finding the Fourth Proportional to 11,383,925.36, 15,710,189.32 and 6,489,058.50
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Solution
The fourth proportional to 11,383,925.36, 15,710,189.32 and 6,489,058.50 is: 8,955,112.96
Step by Step Solution
- Step 1: Write the proportion equation
11,383,925.36 : 15,710,189.32 = 6,489,058.50 : x - Step 2: Convert to fraction form
11,383,925.36/15,710,189.32 = 6,489,058.50/x - Step 3: Cross multiply
11,383,925.36x = 15,710,189.32 × 6,489,058.50 - Step 4: Simplify right side
11,383,925.36x = 101,944,337,543,555.22 - Step 5: Solve for x
x = 101,944,337,543,555.22/11,383,925.36 - Step 6: Final answer
x = 8,955,112.96
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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.