Finding the Fourth Proportional to 11,125,792.06, 15,351,839.28 and 6,480,341.62
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Solution
The fourth proportional to 11,125,792.06, 15,351,839.28 and 6,480,341.62 is: 8,941,849.94
Step by Step Solution
- Step 1: Write the proportion equation
11,125,792.06 : 15,351,839.28 = 6,480,341.62 : x - Step 2: Convert to fraction form
11,125,792.06/15,351,839.28 = 6,480,341.62/x - Step 3: Cross multiply
11,125,792.06x = 15,351,839.28 × 6,480,341.62 - Step 4: Simplify right side
11,125,792.06x = 99,485,163,029,734.83 - Step 5: Solve for x
x = 99,485,163,029,734.83/11,125,792.06 - Step 6: Final answer
x = 8,941,849.94
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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.