Finding the Fourth Proportional to 30,406,619.84, 41,961,122.12 and 16,467,975.58
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Solution
The fourth proportional to 30,406,619.84, 41,961,122.12 and 16,467,975.58 is: 22,725,799.12
Step by Step Solution
- Step 1: Write the proportion equation
30,406,619.84 : 41,961,122.12 = 16,467,975.58 : x - Step 2: Convert to fraction form
30,406,619.84/41,961,122.12 = 16,467,975.58/x - Step 3: Cross multiply
30,406,619.84x = 41,961,122.12 × 16,467,975.58 - Step 4: Simplify right side
30,406,619.84x = 691,014,734,381,557.75 - Step 5: Solve for x
x = 691,014,734,381,557.75/30,406,619.84 - Step 6: Final answer
x = 22,725,799.12
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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.