Finding the Fourth Proportional to 8,538,532, 11,783,267.20 and 4,670,970.12
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Solution
The fourth proportional to 8,538,532, 11,783,267.20 and 4,670,970.12 is: 6,445,989.66
Step by Step Solution
- Step 1: Write the proportion equation
8,538,532 : 11,783,267.20 = 4,670,970.12 : x - Step 2: Convert to fraction form
8,538,532/11,783,267.20 = 4,670,970.12/x - Step 3: Cross multiply
8,538,532x = 11,783,267.20 × 4,670,970.12 - Step 4: Simplify right side
8,538,532x = 55,039,289,007,176.06 - Step 5: Solve for x
x = 55,039,289,007,176.06/8,538,532 - Step 6: Final answer
x = 6,445,989.66
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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.