Finding the Fourth Proportional to 19,218,469.98, 26,521,486.08 and 10,516,643.62
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Solution
The fourth proportional to 19,218,469.98, 26,521,486.08 and 10,516,643.62 is: 14,512,966.83
Step by Step Solution
- Step 1: Write the proportion equation
19,218,469.98 : 26,521,486.08 = 10,516,643.62 : x - Step 2: Convert to fraction form
19,218,469.98/26,521,486.08 = 10,516,643.62/x - Step 3: Cross multiply
19,218,469.98x = 26,521,486.08 × 10,516,643.62 - Step 4: Simplify right side
19,218,469.98x = 278,917,017,376,150.78 - Step 5: Solve for x
x = 278,917,017,376,150.78/19,218,469.98 - Step 6: Final answer
x = 14,512,966.83
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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.