Finding the Fourth Proportional to 10,921,694.60, 16,361,652.30 and 5,871,326.60
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Solution
The fourth proportional to 10,921,694.60, 16,361,652.30 and 5,871,326.60 is: 8,795,759.99
Step by Step Solution
- Step 1: Write the proportion equation
10,921,694.60 : 16,361,652.30 = 5,871,326.60 : x - Step 2: Convert to fraction form
10,921,694.60/16,361,652.30 = 5,871,326.60/x - Step 3: Cross multiply
10,921,694.60x = 16,361,652.30 × 5,871,326.60 - Step 4: Simplify right side
10,921,694.60x = 96,064,604,368,941.17 - Step 5: Solve for x
x = 96,064,604,368,941.17/10,921,694.60 - Step 6: Final answer
x = 8,795,759.99
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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.