Finding the Fourth Proportional to 10,538,517.68, 14,535,130.28 and 9,070,924.08
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Solution
The fourth proportional to 10,538,517.68, 14,535,130.28 and 9,070,924.08 is: 12,510,968.55
Step by Step Solution
- Step 1: Write the proportion equation
10,538,517.68 : 14,535,130.28 = 9,070,924.08 : x - Step 2: Convert to fraction form
10,538,517.68/14,535,130.28 = 9,070,924.08/x - Step 3: Cross multiply
10,538,517.68x = 14,535,130.28 × 9,070,924.08 - Step 4: Simplify right side
10,538,517.68x = 131,847,063,262,789.14 - Step 5: Solve for x
x = 131,847,063,262,789.14/10,538,517.68 - Step 6: Final answer
x = 12,510,968.55
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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.