Finding the Fourth Proportional to 22,974,613.19, 31,704,966.50 and 12,661,336.18
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Solution
The fourth proportional to 22,974,613.19, 31,704,966.50 and 12,661,336.18 is: 17,472,644.09
Step by Step Solution
- Step 1: Write the proportion equation
22,974,613.19 : 31,704,966.50 = 12,661,336.18 : x - Step 2: Convert to fraction form
22,974,613.19/31,704,966.50 = 12,661,336.18/x - Step 3: Cross multiply
22,974,613.19x = 31,704,966.50 × 12,661,336.18 - Step 4: Simplify right side
22,974,613.19x = 401,427,239,432,137.94 - Step 5: Solve for x
x = 401,427,239,432,137.94/22,974,613.19 - Step 6: Final answer
x = 17,472,644.09
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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.