Finding the Fourth Proportional to 10,860,372.48, 14,986,440 and 6,276,990.72
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Solution
The fourth proportional to 10,860,372.48, 14,986,440 and 6,276,990.72 is: 8,661,742.03
Step by Step Solution
- Step 1: Write the proportion equation
10,860,372.48 : 14,986,440 = 6,276,990.72 : x - Step 2: Convert to fraction form
10,860,372.48/14,986,440 = 6,276,990.72/x - Step 3: Cross multiply
10,860,372.48x = 14,986,440 × 6,276,990.72 - Step 4: Simplify right side
10,860,372.48x = 94,069,744,805,836.80 - Step 5: Solve for x
x = 94,069,744,805,836.80/10,860,372.48 - Step 6: Final answer
x = 8,661,742.03
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1.5x scale
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.