Finding the Fourth Proportional to 25,661,728, 38,492,641.55 and 6,230,872.09
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Solution
The fourth proportional to 25,661,728, 38,492,641.55 and 6,230,872.09 is: 9,346,320.17
Step by Step Solution
- Step 1: Write the proportion equation
25,661,728 : 38,492,641.55 = 6,230,872.09 : x - Step 2: Convert to fraction form
25,661,728/38,492,641.55 = 6,230,872.09/x - Step 3: Cross multiply
25,661,728x = 38,492,641.55 × 6,230,872.09 - Step 4: Simplify right side
25,661,728x = 239,842,725,904,269.31 - Step 5: Solve for x
x = 239,842,725,904,269.31/25,661,728 - Step 6: Final answer
x = 9,346,320.17
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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.