Finding the Fourth Proportional to 16,133,974.95, 22,264,762.17 and 8,791,785.39
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Solution
The fourth proportional to 16,133,974.95, 22,264,762.17 and 8,791,785.39 is: 12,132,596.67
Step by Step Solution
- Step 1: Write the proportion equation
16,133,974.95 : 22,264,762.17 = 8,791,785.39 : x - Step 2: Convert to fraction form
16,133,974.95/22,264,762.17 = 8,791,785.39/x - Step 3: Cross multiply
16,133,974.95x = 22,264,762.17 × 8,791,785.39 - Step 4: Simplify right side
16,133,974.95x = 195,747,010,725,061.53 - Step 5: Solve for x
x = 195,747,010,725,061.53/16,133,974.95 - Step 6: Final answer
x = 12,132,596.67
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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.