Finding the Fourth Proportional to 12,535,338.74, 17,292,400.97 and 8,186,970.38
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Solution
The fourth proportional to 12,535,338.74, 17,292,400.97 and 8,186,970.38 is: 11,293,861.09
Step by Step Solution
- Step 1: Write the proportion equation
12,535,338.74 : 17,292,400.97 = 8,186,970.38 : x - Step 2: Convert to fraction form
12,535,338.74/17,292,400.97 = 8,186,970.38/x - Step 3: Cross multiply
12,535,338.74x = 17,292,400.97 × 8,186,970.38 - Step 4: Simplify right side
12,535,338.74x = 141,572,374,413,076.41 - Step 5: Solve for x
x = 141,572,374,413,076.41/12,535,338.74 - Step 6: Final answer
x = 11,293,861.09
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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.