Finding the Fourth Proportional to 11,880,114.18, 16,394,564.30 and 6,447,606.18
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Solution
The fourth proportional to 11,880,114.18, 16,394,564.30 and 6,447,606.18 is: 8,897,700.18
Step by Step Solution
- Step 1: Write the proportion equation
11,880,114.18 : 16,394,564.30 = 6,447,606.18 : x - Step 2: Convert to fraction form
11,880,114.18/16,394,564.30 = 6,447,606.18/x - Step 3: Cross multiply
11,880,114.18x = 16,394,564.30 × 6,447,606.18 - Step 4: Simplify right side
11,880,114.18x = 105,705,694,099,087.38 - Step 5: Solve for x
x = 105,705,694,099,087.38/11,880,114.18 - Step 6: Final answer
x = 8,897,700.18
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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.