Finding the Fourth Proportional to 21,160,103.91, 31,740,549.68 and 6,014,429.07
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Solution
The fourth proportional to 21,160,103.91, 31,740,549.68 and 6,014,429.07 is: 9,021,755.54
Step by Step Solution
- Step 1: Write the proportion equation
21,160,103.91 : 31,740,549.68 = 6,014,429.07 : x - Step 2: Convert to fraction form
21,160,103.91/31,740,549.68 = 6,014,429.07/x - Step 3: Cross multiply
21,160,103.91x = 31,740,549.68 × 6,014,429.07 - Step 4: Simplify right side
21,160,103.91x = 190,901,284,663,099.06 - Step 5: Solve for x
x = 190,901,284,663,099.06/21,160,103.91 - Step 6: Final answer
x = 9,021,755.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.