Finding the Fourth Proportional to 19,203,734.97, 26,493,116.04 and 12,589,911.63
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Solution
The fourth proportional to 19,203,734.97, 26,493,116.04 and 12,589,911.63 is: 17,368,808.22
Step by Step Solution
- Step 1: Write the proportion equation
19,203,734.97 : 26,493,116.04 = 12,589,911.63 : x - Step 2: Convert to fraction form
19,203,734.97/26,493,116.04 = 12,589,911.63/x - Step 3: Cross multiply
19,203,734.97x = 26,493,116.04 × 12,589,911.63 - Step 4: Simplify right side
19,203,734.97x = 333,545,989,746,935.56 - Step 5: Solve for x
x = 333,545,989,746,935.56/19,203,734.97 - Step 6: Final answer
x = 17,368,808.22
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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.