Finding the Fourth Proportional to 27,217,211.68, 40,819,368.07 and 7,785,838.59
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Solution
The fourth proportional to 27,217,211.68, 40,819,368.07 and 7,785,838.59 is: 11,676,912.94
Step by Step Solution
- Step 1: Write the proportion equation
27,217,211.68 : 40,819,368.07 = 7,785,838.59 : x - Step 2: Convert to fraction form
27,217,211.68/40,819,368.07 = 7,785,838.59/x - Step 3: Cross multiply
27,217,211.68x = 40,819,368.07 × 7,785,838.59 - Step 4: Simplify right side
27,217,211.68x = 317,813,011,138,819.81 - Step 5: Solve for x
x = 317,813,011,138,819.81/27,217,211.68 - Step 6: Final answer
x = 11,676,912.94
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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.