Finding the Fourth Proportional to 9,106,195.76, 12,567,266.50 and 5,186,117.63
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Solution
The fourth proportional to 9,106,195.76, 12,567,266.50 and 5,186,117.63 is: 7,157,250.30
Step by Step Solution
- Step 1: Write the proportion equation
9,106,195.76 : 12,567,266.50 = 5,186,117.63 : x - Step 2: Convert to fraction form
9,106,195.76/12,567,266.50 = 5,186,117.63/x - Step 3: Cross multiply
9,106,195.76x = 12,567,266.50 × 5,186,117.63 - Step 4: Simplify right side
9,106,195.76x = 65,175,322,330,627.80 - Step 5: Solve for x
x = 65,175,322,330,627.80/9,106,195.76 - Step 6: Final answer
x = 7,157,250.30
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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.