Finding the Fourth Proportional to 9,038,083.75, 12,472,653.99 and 4,963,702.75
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Solution
The fourth proportional to 9,038,083.75, 12,472,653.99 and 4,963,702.75 is: 6,849,963.84
Step by Step Solution
- Step 1: Write the proportion equation
9,038,083.75 : 12,472,653.99 = 4,963,702.75 : x - Step 2: Convert to fraction form
9,038,083.75/12,472,653.99 = 4,963,702.75/x - Step 3: Cross multiply
9,038,083.75x = 12,472,653.99 × 4,963,702.75 - Step 4: Simplify right side
9,038,083.75x = 61,910,546,909,961.48 - Step 5: Solve for x
x = 61,910,546,909,961.48/9,038,083.75 - Step 6: Final answer
x = 6,849,963.84
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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.