Finding the Fourth Proportional to 13,214,501.70, 19,821,752.55 and 9,855,269.70
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Solution
The fourth proportional to 13,214,501.70, 19,821,752.55 and 9,855,269.70 is: 14,782,904.55
Step by Step Solution
- Step 1: Write the proportion equation
13,214,501.70 : 19,821,752.55 = 9,855,269.70 : x - Step 2: Convert to fraction form
13,214,501.70/19,821,752.55 = 9,855,269.70/x - Step 3: Cross multiply
13,214,501.70x = 19,821,752.55 × 9,855,269.70 - Step 4: Simplify right side
13,214,501.70x = 195,348,717,306,912.72 - Step 5: Solve for x
x = 195,348,717,306,912.72/13,214,501.70 - Step 6: Final answer
x = 14,782,904.55
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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.