Finding the Fourth Proportional to 16,438,526.12, 22,666,601.97 and 12,295,279.19
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Solution
The fourth proportional to 16,438,526.12, 22,666,601.97 and 12,295,279.19 is: 16,953,600.19
Step by Step Solution
- Step 1: Write the proportion equation
16,438,526.12 : 22,666,601.97 = 12,295,279.19 : x - Step 2: Convert to fraction form
16,438,526.12/22,666,601.97 = 12,295,279.19/x - Step 3: Cross multiply
16,438,526.12x = 22,666,601.97 × 12,295,279.19 - Step 4: Simplify right side
16,438,526.12x = 278,692,199,396,421 - Step 5: Solve for x
x = 278,692,199,396,421/16,438,526.12 - Step 6: Final answer
x = 16,953,600.19
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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.