Finding the Fourth Proportional to 10,090,808.26, 13,920,472.16 and 6,604,612.20
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Solution
The fourth proportional to 10,090,808.26, 13,920,472.16 and 6,604,612.20 is: 9,111,194.85
Step by Step Solution
- Step 1: Write the proportion equation
10,090,808.26 : 13,920,472.16 = 6,604,612.20 : x - Step 2: Convert to fraction form
10,090,808.26/13,920,472.16 = 6,604,612.20/x - Step 3: Cross multiply
10,090,808.26x = 13,920,472.16 × 6,604,612.20 - Step 4: Simplify right side
10,090,808.26x = 91,939,320,233,512.45 - Step 5: Solve for x
x = 91,939,320,233,512.45/10,090,808.26 - Step 6: Final answer
x = 9,111,194.85
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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.