Finding the Fourth Proportional to 14,448,918.30, 19,938,741.21 and 8,252,748.24
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Solution
The fourth proportional to 14,448,918.30, 19,938,741.21 and 8,252,748.24 is: 11,388,355.03
Step by Step Solution
- Step 1: Write the proportion equation
14,448,918.30 : 19,938,741.21 = 8,252,748.24 : x - Step 2: Convert to fraction form
14,448,918.30/19,938,741.21 = 8,252,748.24/x - Step 3: Cross multiply
14,448,918.30x = 19,938,741.21 × 8,252,748.24 - Step 4: Simplify right side
14,448,918.30x = 164,549,411,428,642.97 - Step 5: Solve for x
x = 164,549,411,428,642.97/14,448,918.30 - Step 6: Final answer
x = 11,388,355.03
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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.