Finding the Fourth Proportional to 8,586,656.26, 12,879,918.72 and 2,196,898.36
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Solution
The fourth proportional to 8,586,656.26, 12,879,918.72 and 2,196,898.36 is: 3,295,330.74
Step by Step Solution
- Step 1: Write the proportion equation
8,586,656.26 : 12,879,918.72 = 2,196,898.36 : x - Step 2: Convert to fraction form
8,586,656.26/12,879,918.72 = 2,196,898.36/x - Step 3: Cross multiply
8,586,656.26x = 12,879,918.72 × 2,196,898.36 - Step 4: Simplify right side
8,586,656.26x = 28,295,872,312,901.30 - Step 5: Solve for x
x = 28,295,872,312,901.30/8,586,656.26 - Step 6: Final answer
x = 3,295,330.74
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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.