Finding the Fourth Proportional to 11,813,639.50, 16,302,828.99 and 6,381,131.50
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Solution
The fourth proportional to 11,813,639.50, 16,302,828.99 and 6,381,131.50 is: 8,805,964.97
Step by Step Solution
- Step 1: Write the proportion equation
11,813,639.50 : 16,302,828.99 = 6,381,131.50 : x - Step 2: Convert to fraction form
11,813,639.50/16,302,828.99 = 6,381,131.50/x - Step 3: Cross multiply
11,813,639.50x = 16,302,828.99 × 6,381,131.50 - Step 4: Simplify right side
11,813,639.50x = 104,030,495,607,202.19 - Step 5: Solve for x
x = 104,030,495,607,202.19/11,813,639.50 - Step 6: Final answer
x = 8,805,964.97
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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.