Finding the Fourth Proportional to 19,800,726, 29,701,112.49 and 5,423,917.74
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Solution
The fourth proportional to 19,800,726, 29,701,112.49 and 5,423,917.74 is: 8,135,883.04
Step by Step Solution
- Step 1: Write the proportion equation
19,800,726 : 29,701,112.49 = 5,423,917.74 : x - Step 2: Convert to fraction form
19,800,726/29,701,112.49 = 5,423,917.74/x - Step 3: Cross multiply
19,800,726x = 29,701,112.49 × 5,423,917.74 - Step 4: Simplify right side
19,800,726x = 161,096,390,932,246.56 - Step 5: Solve for x
x = 161,096,390,932,246.56/19,800,726 - Step 6: Final answer
x = 8,135,883.04
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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.