Finding the Fourth Proportional to 19,982,955.20, 27,577,146.04 and 12,246,502.64
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Solution
The fourth proportional to 19,982,955.20, 27,577,146.04 and 12,246,502.64 is: 16,900,582.94
Step by Step Solution
- Step 1: Write the proportion equation
19,982,955.20 : 27,577,146.04 = 12,246,502.64 : x - Step 2: Convert to fraction form
19,982,955.20/27,577,146.04 = 12,246,502.64/x - Step 3: Cross multiply
19,982,955.20x = 27,577,146.04 × 12,246,502.64 - Step 4: Simplify right side
19,982,955.20x = 337,723,591,782,525.56 - Step 5: Solve for x
x = 337,723,591,782,525.56/19,982,955.20 - Step 6: Final answer
x = 16,900,582.94
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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.