Finding the Fourth Proportional to 14,160,685, 19,539,997.23 and 8,931,718.11
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Solution
The fourth proportional to 14,160,685, 19,539,997.23 and 8,931,718.11 is: 12,324,668.41
Step by Step Solution
- Step 1: Write the proportion equation
14,160,685 : 19,539,997.23 = 8,931,718.11 : x - Step 2: Convert to fraction form
14,160,685/19,539,997.23 = 8,931,718.11/x - Step 3: Cross multiply
14,160,685x = 19,539,997.23 × 8,931,718.11 - Step 4: Simplify right side
14,160,685x = 174,525,747,128,540.81 - Step 5: Solve for x
x = 174,525,747,128,540.81/14,160,685 - Step 6: Final answer
x = 12,324,668.41
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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.