Finding the Fourth Proportional to 19,661,444.70, 29,492,167.05 and 16,302,212.70
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Solution
The fourth proportional to 19,661,444.70, 29,492,167.05 and 16,302,212.70 is: 24,453,319.05
Step by Step Solution
- Step 1: Write the proportion equation
19,661,444.70 : 29,492,167.05 = 16,302,212.70 : x - Step 2: Convert to fraction form
19,661,444.70/29,492,167.05 = 16,302,212.70/x - Step 3: Cross multiply
19,661,444.70x = 29,492,167.05 × 16,302,212.70 - Step 4: Simplify right side
19,661,444.70x = 480,787,580,233,031.50 - Step 5: Solve for x
x = 480,787,580,233,031.50/19,661,444.70 - Step 6: Final answer
x = 24,453,319.05
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1.5x scale
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.