Finding the Fourth Proportional to 14,806,409.88, 20,432,461.74 and 8,191,242.84
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Solution
The fourth proportional to 14,806,409.88, 20,432,461.74 and 8,191,242.84 is: 11,303,702.74
Step by Step Solution
- Step 1: Write the proportion equation
14,806,409.88 : 20,432,461.74 = 8,191,242.84 : x - Step 2: Convert to fraction form
14,806,409.88/20,432,461.74 = 8,191,242.84/x - Step 3: Cross multiply
14,806,409.88x = 20,432,461.74 × 8,191,242.84 - Step 4: Simplify right side
14,806,409.88x = 167,367,255,931,348.94 - Step 5: Solve for x
x = 167,367,255,931,348.94/14,806,409.88 - Step 6: Final answer
x = 11,303,702.74
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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.