Finding the Fourth Proportional to 30,406,618.84, 41,961,120.74 and 16,467,974.58
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Solution
The fourth proportional to 30,406,618.84, 41,961,120.74 and 16,467,974.58 is: 22,725,797.75
Step by Step Solution
- Step 1: Write the proportion equation
30,406,618.84 : 41,961,120.74 = 16,467,974.58 : x - Step 2: Convert to fraction form
30,406,618.84/41,961,120.74 = 16,467,974.58/x - Step 3: Cross multiply
30,406,618.84x = 41,961,120.74 × 16,467,974.58 - Step 4: Simplify right side
30,406,618.84x = 691,014,669,884,052.75 - Step 5: Solve for x
x = 691,014,669,884,052.75/30,406,618.84 - Step 6: Final answer
x = 22,725,797.75
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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.