Finding the Fourth Proportional to 14,432,819.13, 19,916,584.86 and 7,906,483.08
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Solution
The fourth proportional to 14,432,819.13, 19,916,584.86 and 7,906,483.08 is: 10,910,560.15
Step by Step Solution
- Step 1: Write the proportion equation
14,432,819.13 : 19,916,584.86 = 7,906,483.08 : x - Step 2: Convert to fraction form
14,432,819.13/19,916,584.86 = 7,906,483.08/x - Step 3: Cross multiply
14,432,819.13x = 19,916,584.86 × 7,906,483.08 - Step 4: Simplify right side
14,432,819.13x = 157,470,141,206,974.16 - Step 5: Solve for x
x = 157,470,141,206,974.16/14,432,819.13 - Step 6: Final answer
x = 10,910,560.15
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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.