Finding the Fourth Proportional to 25,353,235.80, 34,988,257.41 and 14,339,769.99
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Solution
The fourth proportional to 25,353,235.80, 34,988,257.41 and 14,339,769.99 is: 19,789,330.54
Step by Step Solution
- Step 1: Write the proportion equation
25,353,235.80 : 34,988,257.41 = 14,339,769.99 : x - Step 2: Convert to fraction form
25,353,235.80/34,988,257.41 = 14,339,769.99/x - Step 3: Cross multiply
25,353,235.80x = 34,988,257.41 × 14,339,769.99 - Step 4: Simplify right side
25,353,235.80x = 501,723,563,610,313.06 - Step 5: Solve for x
x = 501,723,563,610,313.06/25,353,235.80 - Step 6: Final answer
x = 19,789,330.54
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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.