Finding the Fourth Proportional to 10,293,916.80, 15,446,404.80 and 4,310,889.60
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Solution
The fourth proportional to 10,293,916.80, 15,446,404.80 and 4,310,889.60 is: 6,468,650.09
Step by Step Solution
- Step 1: Write the proportion equation
10,293,916.80 : 15,446,404.80 = 4,310,889.60 : x - Step 2: Convert to fraction form
10,293,916.80/15,446,404.80 = 4,310,889.60/x - Step 3: Cross multiply
10,293,916.80x = 15,446,404.80 × 4,310,889.60 - Step 4: Simplify right side
10,293,916.80x = 66,587,745,809,710.08 - Step 5: Solve for x
x = 66,587,745,809,710.08/10,293,916.80 - Step 6: Final answer
x = 6,468,650.09
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1.5x scale
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.