Finding the Fourth Proportional to 17,139,897.11, 25,696,318.14 and 8,498,039.09
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Solution
The fourth proportional to 17,139,897.11, 25,696,318.14 and 8,498,039.09 is: 12,740,351.62
Step by Step Solution
- Step 1: Write the proportion equation
17,139,897.11 : 25,696,318.14 = 8,498,039.09 : x - Step 2: Convert to fraction form
17,139,897.11/25,696,318.14 = 8,498,039.09/x - Step 3: Cross multiply
17,139,897.11x = 25,696,318.14 × 8,498,039.09 - Step 4: Simplify right side
17,139,897.11x = 218,368,315,894,314.53 - Step 5: Solve for x
x = 218,368,315,894,314.53/17,139,897.11 - Step 6: Final answer
x = 12,740,351.62
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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.