Finding the Fourth Proportional to 7,983,828.60, 11,975,569.99 and 2,226,408.61
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Solution
The fourth proportional to 7,983,828.60, 11,975,569.99 and 2,226,408.61 is: 3,339,564.69
Step by Step Solution
- Step 1: Write the proportion equation
7,983,828.60 : 11,975,569.99 = 2,226,408.61 : x - Step 2: Convert to fraction form
7,983,828.60/11,975,569.99 = 2,226,408.61/x - Step 3: Cross multiply
7,983,828.60x = 11,975,569.99 × 2,226,408.61 - Step 4: Simplify right side
7,983,828.60x = 26,662,512,099,888.67 - Step 5: Solve for x
x = 26,662,512,099,888.67/7,983,828.60 - Step 6: Final answer
x = 3,339,564.69
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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.