Finding the Fourth Proportional to 16,390,101.44, 22,617,747.12 and 9,047,776.96
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Solution
The fourth proportional to 16,390,101.44, 22,617,747.12 and 9,047,776.96 is: 12,485,604.93
Step by Step Solution
- Step 1: Write the proportion equation
16,390,101.44 : 22,617,747.12 = 9,047,776.96 : x - Step 2: Convert to fraction form
16,390,101.44/22,617,747.12 = 9,047,776.96/x - Step 3: Cross multiply
16,390,101.44x = 22,617,747.12 × 9,047,776.96 - Step 4: Simplify right side
16,390,101.44x = 204,640,331,279,442.38 - Step 5: Solve for x
x = 204,640,331,279,442.38/16,390,101.44 - Step 6: Final answer
x = 12,485,604.93
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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.