Finding the Fourth Proportional to 24,586,537.20, 36,879,805.80 and 13,249,129.20
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Solution
The fourth proportional to 24,586,537.20, 36,879,805.80 and 13,249,129.20 is: 19,873,693.80
Step by Step Solution
- Step 1: Write the proportion equation
24,586,537.20 : 36,879,805.80 = 13,249,129.20 : x - Step 2: Convert to fraction form
24,586,537.20/36,879,805.80 = 13,249,129.20/x - Step 3: Cross multiply
24,586,537.20x = 36,879,805.80 × 13,249,129.20 - Step 4: Simplify right side
24,586,537.20x = 488,625,311,915,109.31 - Step 5: Solve for x
x = 488,625,311,915,109.31/24,586,537.20 - Step 6: Final answer
x = 19,873,693.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.