Finding the Fourth Proportional to 7,354,234.80, 11,031,352.20 and 4,165,588.80
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Solution
The fourth proportional to 7,354,234.80, 11,031,352.20 and 4,165,588.80 is: 6,248,383.20
Step by Step Solution
- Step 1: Write the proportion equation
7,354,234.80 : 11,031,352.20 = 4,165,588.80 : x - Step 2: Convert to fraction form
7,354,234.80/11,031,352.20 = 4,165,588.80/x - Step 3: Cross multiply
7,354,234.80x = 11,031,352.20 × 4,165,588.80 - Step 4: Simplify right side
7,354,234.80x = 45,952,077,173,175.35 - Step 5: Solve for x
x = 45,952,077,173,175.35/7,354,234.80 - Step 6: Final answer
x = 6,248,383.20
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1.5x scale
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.