Finding the Fourth Proportional to 10,563,344.95, 14,578,703.30 and 6,212,220.97
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Solution
The fourth proportional to 10,563,344.95, 14,578,703.30 and 6,212,220.97 is: 8,573,621.97
Step by Step Solution
- Step 1: Write the proportion equation
10,563,344.95 : 14,578,703.30 = 6,212,220.97 : x - Step 2: Convert to fraction form
10,563,344.95/14,578,703.30 = 6,212,220.97/x - Step 3: Cross multiply
10,563,344.95x = 14,578,703.30 × 6,212,220.97 - Step 4: Simplify right side
10,563,344.95x = 90,566,126,355,668.20 - Step 5: Solve for x
x = 90,566,126,355,668.20/10,563,344.95 - Step 6: Final answer
x = 8,573,621.97
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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.