Finding the Fourth Proportional to 11,878,310.97, 16,392,069.14 and 6,445,802.97
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Solution
The fourth proportional to 11,878,310.97, 16,392,069.14 and 6,445,802.97 is: 8,895,208.10
Step by Step Solution
- Step 1: Write the proportion equation
11,878,310.97 : 16,392,069.14 = 6,445,802.97 : x - Step 2: Convert to fraction form
11,878,310.97/16,392,069.14 = 6,445,802.97/x - Step 3: Cross multiply
11,878,310.97x = 16,392,069.14 × 6,445,802.97 - Step 4: Simplify right side
11,878,310.97x = 105,660,047,947,057.34 - Step 5: Solve for x
x = 105,660,047,947,057.34/11,878,310.97 - Step 6: Final answer
x = 8,895,208.10
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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.