Finding the Fourth Proportional to 9,754,946.75, 13,460,845.60 and 5,403,220.13
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Solution
The fourth proportional to 9,754,946.75, 13,460,845.60 and 5,403,220.13 is: 7,455,900.46
Step by Step Solution
- Step 1: Write the proportion equation
9,754,946.75 : 13,460,845.60 = 5,403,220.13 : x - Step 2: Convert to fraction form
9,754,946.75/13,460,845.60 = 5,403,220.13/x - Step 3: Cross multiply
9,754,946.75x = 13,460,845.60 × 5,403,220.13 - Step 4: Simplify right side
9,754,946.75x = 72,731,911,912,741.92 - Step 5: Solve for x
x = 72,731,911,912,741.92/9,754,946.75 - Step 6: Final answer
x = 7,455,900.46
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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.