Finding the Fourth Proportional to 18,957,805.98, 26,162,514 and 11,116,228.38
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Solution
The fourth proportional to 18,957,805.98, 26,162,514 and 11,116,228.38 is: 15,340,830.10
Step by Step Solution
- Step 1: Write the proportion equation
18,957,805.98 : 26,162,514 = 11,116,228.38 : x - Step 2: Convert to fraction form
18,957,805.98/26,162,514 = 11,116,228.38/x - Step 3: Cross multiply
18,957,805.98x = 26,162,514 × 11,116,228.38 - Step 4: Simplify right side
18,957,805.98x = 290,828,480,618,947.31 - Step 5: Solve for x
x = 290,828,480,618,947.31/18,957,805.98 - Step 6: Final answer
x = 15,340,830.10
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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.