Finding the Fourth Proportional to 7,438,326.12, 10,265,147.04 and 4,130,676
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Solution
The fourth proportional to 7,438,326.12, 10,265,147.04 and 4,130,676 is: 5,700,475.59
Step by Step Solution
- Step 1: Write the proportion equation
7,438,326.12 : 10,265,147.04 = 4,130,676 : x - Step 2: Convert to fraction form
7,438,326.12/10,265,147.04 = 4,130,676/x - Step 3: Cross multiply
7,438,326.12x = 10,265,147.04 × 4,130,676 - Step 4: Simplify right side
7,438,326.12x = 42,401,996,514,599.04 - Step 5: Solve for x
x = 42,401,996,514,599.04/7,438,326.12 - Step 6: Final answer
x = 5,700,475.59
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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.