Finding the Fourth Proportional to 14,640,257.75, 20,203,557.57 and 8,114,308.52
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Solution
The fourth proportional to 14,640,257.75, 20,203,557.57 and 8,114,308.52 is: 11,197,746.79
Step by Step Solution
- Step 1: Write the proportion equation
14,640,257.75 : 20,203,557.57 = 8,114,308.52 : x - Step 2: Convert to fraction form
14,640,257.75/20,203,557.57 = 8,114,308.52/x - Step 3: Cross multiply
14,640,257.75x = 20,203,557.57 × 8,114,308.52 - Step 4: Simplify right side
14,640,257.75x = 163,937,899,223,543.72 - Step 5: Solve for x
x = 163,937,899,223,543.72/14,640,257.75 - Step 6: Final answer
x = 11,197,746.79
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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.