Finding the Fourth Proportional to 11,171,023.70, 16,758,916.35 and 6,381,007.70
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Solution
The fourth proportional to 11,171,023.70, 16,758,916.35 and 6,381,007.70 is: 9,572,871.49
Step by Step Solution
- Step 1: Write the proportion equation
11,171,023.70 : 16,758,916.35 = 6,381,007.70 : x - Step 2: Convert to fraction form
11,171,023.70/16,758,916.35 = 6,381,007.70/x - Step 3: Cross multiply
11,171,023.70x = 16,758,916.35 × 6,381,007.70 - Step 4: Simplify right side
11,171,023.70x = 106,938,774,273,005.89 - Step 5: Solve for x
x = 106,938,774,273,005.89/11,171,023.70 - Step 6: Final answer
x = 9,572,871.49
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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.