Finding the Fourth Proportional to 11,652,455.84, 16,081,346.46 and 6,426,486.20
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Solution
The fourth proportional to 11,652,455.84, 16,081,346.46 and 6,426,486.20 is: 8,869,078.98
Step by Step Solution
- Step 1: Write the proportion equation
11,652,455.84 : 16,081,346.46 = 6,426,486.20 : x - Step 2: Convert to fraction form
11,652,455.84/16,081,346.46 = 6,426,486.20/x - Step 3: Cross multiply
11,652,455.84x = 16,081,346.46 × 6,426,486.20 - Step 4: Simplify right side
11,652,455.84x = 103,346,551,102,608.86 - Step 5: Solve for x
x = 103,346,551,102,608.86/11,652,455.84 - Step 6: Final answer
x = 8,869,078.98
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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.