Finding the Fourth Proportional to 8,664,206.65, 11,952,850.53 and 5,224,536.79
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Solution
The fourth proportional to 8,664,206.65, 11,952,850.53 and 5,224,536.79 is: 7,207,596.71
Step by Step Solution
- Step 1: Write the proportion equation
8,664,206.65 : 11,952,850.53 = 5,224,536.79 : x - Step 2: Convert to fraction form
8,664,206.65/11,952,850.53 = 5,224,536.79/x - Step 3: Cross multiply
8,664,206.65x = 11,952,850.53 × 5,224,536.79 - Step 4: Simplify right side
8,664,206.65x = 62,448,107,339,355.99 - Step 5: Solve for x
x = 62,448,107,339,355.99/8,664,206.65 - Step 6: Final answer
x = 7,207,596.71
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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.