Finding the Fourth Proportional to 13,305,553.76, 19,949,749.68 and 5,219,346.80
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Solution
The fourth proportional to 13,305,553.76, 19,949,749.68 and 5,219,346.80 is: 7,825,654.16
Step by Step Solution
- Step 1: Write the proportion equation
13,305,553.76 : 19,949,749.68 = 5,219,346.80 : x - Step 2: Convert to fraction form
13,305,553.76/19,949,749.68 = 5,219,346.80/x - Step 3: Cross multiply
13,305,553.76x = 19,949,749.68 × 5,219,346.80 - Step 4: Simplify right side
13,305,553.76x = 104,124,662,153,109.02 - Step 5: Solve for x
x = 104,124,662,153,109.02/13,305,553.76 - Step 6: Final answer
x = 7,825,654.16
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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.