Finding the Fourth Proportional to 13,085,452.32, 19,645,878.48 and 9,031,861.92
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Solution
The fourth proportional to 13,085,452.32, 19,645,878.48 and 9,031,861.92 is: 13,560,009.80
Step by Step Solution
- Step 1: Write the proportion equation
13,085,452.32 : 19,645,878.48 = 9,031,861.92 : x - Step 2: Convert to fraction form
13,085,452.32/19,645,878.48 = 9,031,861.92/x - Step 3: Cross multiply
13,085,452.32x = 19,645,878.48 × 9,031,861.92 - Step 4: Simplify right side
13,085,452.32x = 177,438,861,728,459.47 - Step 5: Solve for x
x = 177,438,861,728,459.47/13,085,452.32 - Step 6: Final answer
x = 13,560,009.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.