Finding the Fourth Proportional to 7,382,309.80, 11,073,464.70 and 4,140,519.70
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Solution
The fourth proportional to 7,382,309.80, 11,073,464.70 and 4,140,519.70 is: 6,210,779.55
Step by Step Solution
- Step 1: Write the proportion equation
7,382,309.80 : 11,073,464.70 = 4,140,519.70 : x - Step 2: Convert to fraction form
7,382,309.80/11,073,464.70 = 4,140,519.70/x - Step 3: Cross multiply
7,382,309.80x = 11,073,464.70 × 4,140,519.70 - Step 4: Simplify right side
7,382,309.80x = 45,849,898,737,604.59 - Step 5: Solve for x
x = 45,849,898,737,604.59/7,382,309.80 - Step 6: Final answer
x = 6,210,779.55
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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.