Finding the Fourth Proportional to 19,643,334.98, 27,108,414.21 and 11,272,237.70
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Solution
The fourth proportional to 19,643,334.98, 27,108,414.21 and 11,272,237.70 is: 15,556,039.18
Step by Step Solution
- Step 1: Write the proportion equation
19,643,334.98 : 27,108,414.21 = 11,272,237.70 : x - Step 2: Convert to fraction form
19,643,334.98/27,108,414.21 = 11,272,237.70/x - Step 3: Cross multiply
19,643,334.98x = 27,108,414.21 × 11,272,237.70 - Step 4: Simplify right side
19,643,334.98x = 305,572,488,645,177.69 - Step 5: Solve for x
x = 305,572,488,645,177.69/19,643,334.98 - Step 6: Final answer
x = 15,556,039.18
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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.