Finding the Fourth Proportional to 14,806,408.88, 20,432,460.36 and 8,191,241.84
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Solution
The fourth proportional to 14,806,408.88, 20,432,460.36 and 8,191,241.84 is: 11,303,701.36
Step by Step Solution
- Step 1: Write the proportion equation
14,806,408.88 : 20,432,460.36 = 8,191,241.84 : x - Step 2: Convert to fraction form
14,806,408.88/20,432,460.36 = 8,191,241.84/x - Step 3: Cross multiply
14,806,408.88x = 20,432,460.36 × 8,191,241.84 - Step 4: Simplify right side
14,806,408.88x = 167,367,224,194,973.47 - Step 5: Solve for x
x = 167,367,224,194,973.47/14,806,408.88 - Step 6: Final answer
x = 11,303,701.36
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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.