Finding the Fourth Proportional to 21,207,636.08, 31,809,071.85 and 5,857,108.02
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Solution
The fourth proportional to 21,207,636.08, 31,809,071.85 and 5,857,108.02 is: 8,785,004.10
Step by Step Solution
- Step 1: Write the proportion equation
21,207,636.08 : 31,809,071.85 = 5,857,108.02 : x - Step 2: Convert to fraction form
21,207,636.08/31,809,071.85 = 5,857,108.02/x - Step 3: Cross multiply
21,207,636.08x = 31,809,071.85 × 5,857,108.02 - Step 4: Simplify right side
21,207,636.08x = 186,309,169,841,391.22 - Step 5: Solve for x
x = 186,309,169,841,391.22/21,207,636.08 - Step 6: Final answer
x = 8,785,004.10
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.