Finding the Fourth Proportional to 13,106,190.97, 19,659,276.12 and 3,521,569.51
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Solution
The fourth proportional to 13,106,190.97, 19,659,276.12 and 3,521,569.51 is: 5,282,351.49
Step by Step Solution
- Step 1: Write the proportion equation
13,106,190.97 : 19,659,276.12 = 3,521,569.51 : x - Step 2: Convert to fraction form
13,106,190.97/19,659,276.12 = 3,521,569.51/x - Step 3: Cross multiply
13,106,190.97x = 19,659,276.12 × 3,521,569.51 - Step 4: Simplify right side
13,106,190.97x = 69,231,507,323,714.91 - Step 5: Solve for x
x = 69,231,507,323,714.91/13,106,190.97 - Step 6: Final answer
x = 5,282,351.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.