Finding the Fourth Proportional to 16,420,768.68, 22,660,603.92 and 9,177,424.68
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Solution
The fourth proportional to 16,420,768.68, 22,660,603.92 and 9,177,424.68 is: 12,664,814.28
Step by Step Solution
- Step 1: Write the proportion equation
16,420,768.68 : 22,660,603.92 = 9,177,424.68 : x - Step 2: Convert to fraction form
16,420,768.68/22,660,603.92 = 9,177,424.68/x - Step 3: Cross multiply
16,420,768.68x = 22,660,603.92 × 9,177,424.68 - Step 4: Simplify right side
16,420,768.68x = 207,965,985,679,112.75 - Step 5: Solve for x
x = 207,965,985,679,112.75/16,420,768.68 - Step 6: Final answer
x = 12,664,814.28
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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.