Finding the Fourth Proportional to 9,421,765.20, 14,132,647.80 and 3,363,337.80
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Solution
The fourth proportional to 9,421,765.20, 14,132,647.80 and 3,363,337.80 is: 5,045,006.70
Step by Step Solution
- Step 1: Write the proportion equation
9,421,765.20 : 14,132,647.80 = 3,363,337.80 : x - Step 2: Convert to fraction form
9,421,765.20/14,132,647.80 = 3,363,337.80/x - Step 3: Cross multiply
9,421,765.20x = 14,132,647.80 × 3,363,337.80 - Step 4: Simplify right side
9,421,765.20x = 47,532,868,559,826.84 - Step 5: Solve for x
x = 47,532,868,559,826.84/9,421,765.20 - Step 6: Final answer
x = 5,045,006.70
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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.