Finding the Fourth Proportional to 13,098,355.36, 19,625,812.74 and 7,965,258.04
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Solution
The fourth proportional to 13,098,355.36, 19,625,812.74 and 7,965,258.04 is: 11,934,678.70
Step by Step Solution
- Step 1: Write the proportion equation
13,098,355.36 : 19,625,812.74 = 7,965,258.04 : x - Step 2: Convert to fraction form
13,098,355.36/19,625,812.74 = 7,965,258.04/x - Step 3: Cross multiply
13,098,355.36x = 19,625,812.74 × 7,965,258.04 - Step 4: Simplify right side
13,098,355.36x = 156,324,662,718,819.41 - Step 5: Solve for x
x = 156,324,662,718,819.41/13,098,355.36 - Step 6: Final answer
x = 11,934,678.70
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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.