Finding the Fourth Proportional to 10,860,169.16, 14,987,504.47 and 6,215,412.18
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Solution
The fourth proportional to 10,860,169.16, 14,987,504.47 and 6,215,412.18 is: 8,577,538.39
Step by Step Solution
- Step 1: Write the proportion equation
10,860,169.16 : 14,987,504.47 = 6,215,412.18 : x - Step 2: Convert to fraction form
10,860,169.16/14,987,504.47 = 6,215,412.18/x - Step 3: Cross multiply
10,860,169.16x = 14,987,504.47 × 6,215,412.18 - Step 4: Simplify right side
10,860,169.16x = 93,153,517,882,960.95 - Step 5: Solve for x
x = 93,153,517,882,960.95/10,860,169.16 - Step 6: Final answer
x = 8,577,538.39
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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.