Finding the Fourth Proportional to 8,457,949.37, 11,671,981.67 and 4,590,470.59
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Solution
The fourth proportional to 8,457,949.37, 11,671,981.67 and 4,590,470.59 is: 6,334,855.67
Step by Step Solution
- Step 1: Write the proportion equation
8,457,949.37 : 11,671,981.67 = 4,590,470.59 : x - Step 2: Convert to fraction form
8,457,949.37/11,671,981.67 = 4,590,470.59/x - Step 3: Cross multiply
8,457,949.37x = 11,671,981.67 × 4,590,470.59 - Step 4: Simplify right side
8,457,949.37x = 53,579,888,565,450.31 - Step 5: Solve for x
x = 53,579,888,565,450.31/8,457,949.37 - Step 6: Final answer
x = 6,334,855.67
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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.