Finding the Fourth Proportional to 10,393,415.12, 14,335,796.12 and 6,776,642
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Solution
The fourth proportional to 10,393,415.12, 14,335,796.12 and 6,776,642 is: 9,347,125.75
Step by Step Solution
- Step 1: Write the proportion equation
10,393,415.12 : 14,335,796.12 = 6,776,642 : x - Step 2: Convert to fraction form
10,393,415.12/14,335,796.12 = 6,776,642/x - Step 3: Cross multiply
10,393,415.12x = 14,335,796.12 × 6,776,642 - Step 4: Simplify right side
10,393,415.12x = 97,148,558,090,229.03 - Step 5: Solve for x
x = 97,148,558,090,229.03/10,393,415.12 - Step 6: Final answer
x = 9,347,125.75
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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.