Finding the Fourth Proportional to 10,766,779.35, 14,855,601 and 6,120,199.70
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Solution
The fourth proportional to 10,766,779.35, 14,855,601 and 6,120,199.70 is: 8,444,423.52
Step by Step Solution
- Step 1: Write the proportion equation
10,766,779.35 : 14,855,601 = 6,120,199.70 : x - Step 2: Convert to fraction form
10,766,779.35/14,855,601 = 6,120,199.70/x - Step 3: Cross multiply
10,766,779.35x = 14,855,601 × 6,120,199.70 - Step 4: Simplify right side
10,766,779.35x = 90,919,244,820,658.70 - Step 5: Solve for x
x = 90,919,244,820,658.70/10,766,779.35 - Step 6: Final answer
x = 8,444,423.52
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1.5x scale
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.