Finding the Fourth Proportional to 12,209,097.36, 18,299,714.58 and 4,917,888.30
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Solution
The fourth proportional to 12,209,097.36, 18,299,714.58 and 4,917,888.30 is: 7,371,220.79
Step by Step Solution
- Step 1: Write the proportion equation
12,209,097.36 : 18,299,714.58 = 4,917,888.30 : x - Step 2: Convert to fraction form
12,209,097.36/18,299,714.58 = 4,917,888.30/x - Step 3: Cross multiply
12,209,097.36x = 18,299,714.58 × 4,917,888.30 - Step 4: Simplify right side
12,209,097.36x = 89,995,952,226,321.41 - Step 5: Solve for x
x = 89,995,952,226,321.41/12,209,097.36 - Step 6: Final answer
x = 7,371,220.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.