Finding the Fourth Proportional to 10,093,101.40, 15,121,609.35 and 6,142,285.90
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Solution
The fourth proportional to 10,093,101.40, 15,121,609.35 and 6,142,285.90 is: 9,202,448.70
Step by Step Solution
- Step 1: Write the proportion equation
10,093,101.40 : 15,121,609.35 = 6,142,285.90 : x - Step 2: Convert to fraction form
10,093,101.40/15,121,609.35 = 6,142,285.90/x - Step 3: Cross multiply
10,093,101.40x = 15,121,609.35 × 6,142,285.90 - Step 4: Simplify right side
10,093,101.40x = 92,881,247,895,813.17 - Step 5: Solve for x
x = 92,881,247,895,813.17/10,093,101.40 - Step 6: Final answer
x = 9,202,448.70
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1.5x scale
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.