Finding the Fourth Proportional to 10,160,910.12, 14,033,693.46 and 6,691,756.80
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Solution
The fourth proportional to 10,160,910.12, 14,033,693.46 and 6,691,756.80 is: 9,242,288.59
Step by Step Solution
- Step 1: Write the proportion equation
10,160,910.12 : 14,033,693.46 = 6,691,756.80 : x - Step 2: Convert to fraction form
10,160,910.12/14,033,693.46 = 6,691,756.80/x - Step 3: Cross multiply
10,160,910.12x = 14,033,693.46 × 6,691,756.80 - Step 4: Simplify right side
10,160,910.12x = 93,910,063,640,070.53 - Step 5: Solve for x
x = 93,910,063,640,070.53/10,160,910.12 - Step 6: Final answer
x = 9,242,288.59
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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.