Finding the Fourth Proportional to 27,112,989.60, 37,402,090.34 and 17,313,130.08
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Solution
The fourth proportional to 27,112,989.60, 37,402,090.34 and 17,313,130.08 is: 23,883,284.90
Step by Step Solution
- Step 1: Write the proportion equation
27,112,989.60 : 37,402,090.34 = 17,313,130.08 : x - Step 2: Convert to fraction form
27,112,989.60/37,402,090.34 = 17,313,130.08/x - Step 3: Cross multiply
27,112,989.60x = 37,402,090.34 × 17,313,130.08 - Step 4: Simplify right side
27,112,989.60x = 647,547,255,233,765.75 - Step 5: Solve for x
x = 647,547,255,233,765.75/27,112,989.60 - Step 6: Final answer
x = 23,883,284.90
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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.