Finding the Fourth Proportional to 11,890,389, 16,408,187.70 and 6,733,787.46
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Solution
The fourth proportional to 11,890,389, 16,408,187.70 and 6,733,787.46 is: 9,292,315.72
Step by Step Solution
- Step 1: Write the proportion equation
11,890,389 : 16,408,187.70 = 6,733,787.46 : x - Step 2: Convert to fraction form
11,890,389/16,408,187.70 = 6,733,787.46/x - Step 3: Cross multiply
11,890,389x = 16,408,187.70 × 6,733,787.46 - Step 4: Simplify right side
11,890,389x = 110,489,248,575,586.23 - Step 5: Solve for x
x = 110,489,248,575,586.23/11,890,389 - Step 6: Final answer
x = 9,292,315.72
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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.