Finding the Fourth Proportional to 38,745,619.44, 53,466,979.68 and 21,341,590.08
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Solution
The fourth proportional to 38,745,619.44, 53,466,979.68 and 21,341,590.08 is: 29,450,306.37
Step by Step Solution
- Step 1: Write the proportion equation
38,745,619.44 : 53,466,979.68 = 21,341,590.08 : x - Step 2: Convert to fraction form
38,745,619.44/53,466,979.68 = 21,341,590.08/x - Step 3: Cross multiply
38,745,619.44x = 53,466,979.68 × 21,341,590.08 - Step 4: Simplify right side
38,745,619.44x = 1,141,070,363,146,249.50 - Step 5: Solve for x
x = 1,141,070,363,146,249.50/38,745,619.44 - Step 6: Final answer
x = 29,450,306.37
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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.