Finding the Fourth Proportional to 13,304,748.42, 18,360,551.07 and 7,193,176.92
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Solution
The fourth proportional to 13,304,748.42, 18,360,551.07 and 7,193,176.92 is: 9,926,583.20
Step by Step Solution
- Step 1: Write the proportion equation
13,304,748.42 : 18,360,551.07 = 7,193,176.92 : x - Step 2: Convert to fraction form
13,304,748.42/18,360,551.07 = 7,193,176.92/x - Step 3: Cross multiply
13,304,748.42x = 18,360,551.07 × 7,193,176.92 - Step 4: Simplify right side
13,304,748.42x = 132,070,692,195,205.31 - Step 5: Solve for x
x = 132,070,692,195,205.31/13,304,748.42 - Step 6: Final answer
x = 9,926,583.20
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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.