Finding the Fourth Proportional to 19,695,616.11, 27,184,485.24 and 11,549,478.51
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Solution
The fourth proportional to 19,695,616.11, 27,184,485.24 and 11,549,478.51 is: 15,940,939.67
Step by Step Solution
- Step 1: Write the proportion equation
19,695,616.11 : 27,184,485.24 = 11,549,478.51 : x - Step 2: Convert to fraction form
19,695,616.11/27,184,485.24 = 11,549,478.51/x - Step 3: Cross multiply
19,695,616.11x = 27,184,485.24 × 11,549,478.51 - Step 4: Simplify right side
19,695,616.11x = 313,966,628,084,792.19 - Step 5: Solve for x
x = 313,966,628,084,792.19/19,695,616.11 - Step 6: Final answer
x = 15,940,939.67
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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.