Finding the Fourth Proportional to 7,149,590.01, 9,866,529.41 and 3,886,454.79
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Solution
The fourth proportional to 7,149,590.01, 9,866,529.41 and 3,886,454.79 is: 5,363,359.36
Step by Step Solution
- Step 1: Write the proportion equation
7,149,590.01 : 9,866,529.41 = 3,886,454.79 : x - Step 2: Convert to fraction form
7,149,590.01/9,866,529.41 = 3,886,454.79/x - Step 3: Cross multiply
7,149,590.01x = 9,866,529.41 × 3,886,454.79 - Step 4: Simplify right side
7,149,590.01x = 38,345,820,466,738.10 - Step 5: Solve for x
x = 38,345,820,466,738.10/7,149,590.01 - Step 6: Final answer
x = 5,363,359.36
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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.