Finding the Fourth Proportional to 11,295,555.30, 15,587,986.68 and 6,138,917.10
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Solution
The fourth proportional to 11,295,555.30, 15,587,986.68 and 6,138,917.10 is: 8,471,771.01
Step by Step Solution
- Step 1: Write the proportion equation
11,295,555.30 : 15,587,986.68 = 6,138,917.10 : x - Step 2: Convert to fraction form
11,295,555.30/15,587,986.68 = 6,138,917.10/x - Step 3: Cross multiply
11,295,555.30x = 15,587,986.68 × 6,138,917.10 - Step 4: Simplify right side
11,295,555.30x = 95,693,357,984,424.22 - Step 5: Solve for x
x = 95,693,357,984,424.22/11,295,555.30 - Step 6: Final answer
x = 8,471,771.01
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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.