Finding the Fourth Proportional to 28,922,724.75, 43,387,378.11 and 10,487,353.12
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Solution
The fourth proportional to 28,922,724.75, 43,387,378.11 and 10,487,353.12 is: 15,732,222.99
Step by Step Solution
- Step 1: Write the proportion equation
28,922,724.75 : 43,387,378.11 = 10,487,353.12 : x - Step 2: Convert to fraction form
28,922,724.75/43,387,378.11 = 10,487,353.12/x - Step 3: Cross multiply
28,922,724.75x = 43,387,378.11 × 10,487,353.12 - Step 4: Simplify right side
28,922,724.75x = 455,018,755,190,528.19 - Step 5: Solve for x
x = 455,018,755,190,528.19/28,922,724.75 - Step 6: Final answer
x = 15,732,222.99
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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.