Finding the Fourth Proportional to 10,416,126.92, 14,374,370.12 and 5,769,983.12
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Solution
The fourth proportional to 10,416,126.92, 14,374,370.12 and 5,769,983.12 is: 7,962,640.39
Step by Step Solution
- Step 1: Write the proportion equation
10,416,126.92 : 14,374,370.12 = 5,769,983.12 : x - Step 2: Convert to fraction form
10,416,126.92/14,374,370.12 = 5,769,983.12/x - Step 3: Cross multiply
10,416,126.92x = 14,374,370.12 × 5,769,983.12 - Step 4: Simplify right side
10,416,126.92x = 82,939,872,953,032.38 - Step 5: Solve for x
x = 82,939,872,953,032.38/10,416,126.92 - Step 6: Final answer
x = 7,962,640.39
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1.5x scale
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.