Finding the Fourth Proportional to 11,338,246.80, 15,646,872.24 and 6,181,645.92
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Solution
The fourth proportional to 11,338,246.80, 15,646,872.24 and 6,181,645.92 is: 8,530,721.34
Step by Step Solution
- Step 1: Write the proportion equation
11,338,246.80 : 15,646,872.24 = 6,181,645.92 : x - Step 2: Convert to fraction form
11,338,246.80/15,646,872.24 = 6,181,645.92/x - Step 3: Cross multiply
11,338,246.80x = 15,646,872.24 × 6,181,645.92 - Step 4: Simplify right side
11,338,246.80x = 96,723,423,943,157.27 - Step 5: Solve for x
x = 96,723,423,943,157.27/11,338,246.80 - Step 6: Final answer
x = 8,530,721.34
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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.