Finding the Fourth Proportional to 22,974,615.19, 31,704,969.26 and 12,661,338.18
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Solution
The fourth proportional to 22,974,615.19, 31,704,969.26 and 12,661,338.18 is: 17,472,646.85
Step by Step Solution
- Step 1: Write the proportion equation
22,974,615.19 : 31,704,969.26 = 12,661,338.18 : x - Step 2: Convert to fraction form
22,974,615.19/31,704,969.26 = 12,661,338.18/x - Step 3: Cross multiply
22,974,615.19x = 31,704,969.26 × 12,661,338.18 - Step 4: Simplify right side
22,974,615.19x = 401,427,337,787,364.38 - Step 5: Solve for x
x = 401,427,337,787,364.38/22,974,615.19 - Step 6: Final answer
x = 17,472,646.85
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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.