Finding the Fourth Proportional to 6,937,643.09, 9,572,805.41 and 4,357,486.10
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Solution
The fourth proportional to 6,937,643.09, 9,572,805.41 and 4,357,486.10 is: 6,012,613.50
Step by Step Solution
- Step 1: Write the proportion equation
6,937,643.09 : 9,572,805.41 = 4,357,486.10 : x - Step 2: Convert to fraction form
6,937,643.09/9,572,805.41 = 4,357,486.10/x - Step 3: Cross multiply
6,937,643.09x = 9,572,805.41 × 4,357,486.10 - Step 4: Simplify right side
6,937,643.09x = 41,713,366,514,224.38 - Step 5: Solve for x
x = 41,713,366,514,224.38/6,937,643.09 - Step 6: Final answer
x = 6,012,613.50
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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.