Finding the Fourth Proportional to 15,278,321.02, 22,917,148.62 and 7,186,811.66
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Solution
The fourth proportional to 15,278,321.02, 22,917,148.62 and 7,186,811.66 is: 10,780,060.89
Step by Step Solution
- Step 1: Write the proportion equation
15,278,321.02 : 22,917,148.62 = 7,186,811.66 : x - Step 2: Convert to fraction form
15,278,321.02/22,917,148.62 = 7,186,811.66/x - Step 3: Cross multiply
15,278,321.02x = 22,917,148.62 × 7,186,811.66 - Step 4: Simplify right side
15,278,321.02x = 164,701,230,916,168.91 - Step 5: Solve for x
x = 164,701,230,916,168.91/15,278,321.02 - Step 6: Final answer
x = 10,780,060.89
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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.