Finding the Fourth Proportional to 8,558,604.68, 11,812,085.63 and 5,296,470.31
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Solution
The fourth proportional to 8,558,604.68, 11,812,085.63 and 5,296,470.31 is: 7,309,878.56
Step by Step Solution
- Step 1: Write the proportion equation
8,558,604.68 : 11,812,085.63 = 5,296,470.31 : x - Step 2: Convert to fraction form
8,558,604.68/11,812,085.63 = 5,296,470.31/x - Step 3: Cross multiply
8,558,604.68x = 11,812,085.63 × 5,296,470.31 - Step 4: Simplify right side
8,558,604.68x = 62,562,360,838,472.65 - Step 5: Solve for x
x = 62,562,360,838,472.65/8,558,604.68 - Step 6: Final answer
x = 7,309,878.56
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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.