Finding the Fourth Proportional to 9,770,627.08, 13,483,681.50 and 5,419,571.68
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Solution
The fourth proportional to 9,770,627.08, 13,483,681.50 and 5,419,571.68 is: 7,479,128.80
Step by Step Solution
- Step 1: Write the proportion equation
9,770,627.08 : 13,483,681.50 = 5,419,571.68 : x - Step 2: Convert to fraction form
9,770,627.08/13,483,681.50 = 5,419,571.68/x - Step 3: Cross multiply
9,770,627.08x = 13,483,681.50 × 5,419,571.68 - Step 4: Simplify right side
9,770,627.08x = 73,075,778,399,539.92 - Step 5: Solve for x
x = 73,075,778,399,539.92/9,770,627.08 - Step 6: Final answer
x = 7,479,128.80
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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.