Finding the Fourth Proportional to 10,578,272.56, 15,873,387.55 and 4,512,431.23
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Solution
The fourth proportional to 10,578,272.56, 15,873,387.55 and 4,512,431.23 is: 6,771,197.21
Step by Step Solution
- Step 1: Write the proportion equation
10,578,272.56 : 15,873,387.55 = 4,512,431.23 : x - Step 2: Convert to fraction form
10,578,272.56/15,873,387.55 = 4,512,431.23/x - Step 3: Cross multiply
10,578,272.56x = 15,873,387.55 × 4,512,431.23 - Step 4: Simplify right side
10,578,272.56x = 71,627,569,655,548.64 - Step 5: Solve for x
x = 71,627,569,655,548.64/10,578,272.56 - Step 6: Final answer
x = 6,771,197.21
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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.