Finding the Fourth Proportional to 21,562,299.57, 29,758,582.74 and 12,272,128.50
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Solution
The fourth proportional to 21,562,299.57, 29,758,582.74 and 12,272,128.50 is: 16,937,022.43
Step by Step Solution
- Step 1: Write the proportion equation
21,562,299.57 : 29,758,582.74 = 12,272,128.50 : x - Step 2: Convert to fraction form
21,562,299.57/29,758,582.74 = 12,272,128.50/x - Step 3: Cross multiply
21,562,299.57x = 29,758,582.74 × 12,272,128.50 - Step 4: Simplify right side
21,562,299.57x = 365,201,151,363,162.06 - Step 5: Solve for x
x = 365,201,151,363,162.06/21,562,299.57 - Step 6: Final answer
x = 16,937,022.43
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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.