Finding the Fourth Proportional to 11,235,051.01, 15,520,242.77 and 8,940,275.65
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Solution
The fourth proportional to 11,235,051.01, 15,520,242.77 and 8,940,275.65 is: 12,350,210.82
Step by Step Solution
- Step 1: Write the proportion equation
11,235,051.01 : 15,520,242.77 = 8,940,275.65 : x - Step 2: Convert to fraction form
11,235,051.01/15,520,242.77 = 8,940,275.65/x - Step 3: Cross multiply
11,235,051.01x = 15,520,242.77 × 8,940,275.65 - Step 4: Simplify right side
11,235,051.01x = 138,755,248,518,719.55 - Step 5: Solve for x
x = 138,755,248,518,719.55/11,235,051.01 - Step 6: Final answer
x = 12,350,210.82
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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.