Finding the Fourth Proportional to 16,245,071.48, 22,418,230.39 and 8,903,177.17
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Solution
The fourth proportional to 16,245,071.48, 22,418,230.39 and 8,903,177.17 is: 12,286,401.89
Step by Step Solution
- Step 1: Write the proportion equation
16,245,071.48 : 22,418,230.39 = 8,903,177.17 : x - Step 2: Convert to fraction form
16,245,071.48/22,418,230.39 = 8,903,177.17/x - Step 3: Cross multiply
16,245,071.48x = 22,418,230.39 × 8,903,177.17 - Step 4: Simplify right side
16,245,071.48x = 199,593,476,921,744.69 - Step 5: Solve for x
x = 199,593,476,921,744.69/16,245,071.48 - Step 6: Final answer
x = 12,286,401.89
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1.5x scale
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.