Finding the Fourth Proportional to 10,411,208.91, 14,382,433.98 and 8,315,299.47
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Solution
The fourth proportional to 10,411,208.91, 14,382,433.98 and 8,315,299.47 is: 11,487,066.17
Step by Step Solution
- Step 1: Write the proportion equation
10,411,208.91 : 14,382,433.98 = 8,315,299.47 : x - Step 2: Convert to fraction form
10,411,208.91/14,382,433.98 = 8,315,299.47/x - Step 3: Cross multiply
10,411,208.91x = 14,382,433.98 × 8,315,299.47 - Step 4: Simplify right side
10,411,208.91x = 119,594,245,651,203.98 - Step 5: Solve for x
x = 119,594,245,651,203.98/10,411,208.91 - Step 6: Final answer
x = 11,487,066.17
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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.