Finding the Fourth Proportional to 19,122,954.24, 26,389,006.56 and 10,420,949.28
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Solution
The fourth proportional to 19,122,954.24, 26,389,006.56 and 10,420,949.28 is: 14,380,544.73
Step by Step Solution
- Step 1: Write the proportion equation
19,122,954.24 : 26,389,006.56 = 10,420,949.28 : x - Step 2: Convert to fraction form
19,122,954.24/26,389,006.56 = 10,420,949.28/x - Step 3: Cross multiply
19,122,954.24x = 26,389,006.56 × 10,420,949.28 - Step 4: Simplify right side
19,122,954.24x = 274,998,498,911,347.25 - Step 5: Solve for x
x = 274,998,498,911,347.25/19,122,954.24 - Step 6: Final answer
x = 14,380,544.73
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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.