Finding the Fourth Proportional to 15,109,777.33, 20,845,573.83 and 9,298,469.99
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Solution
The fourth proportional to 15,109,777.33, 20,845,573.83 and 9,298,469.99 is: 12,828,246.14
Step by Step Solution
- Step 1: Write the proportion equation
15,109,777.33 : 20,845,573.83 = 9,298,469.99 : x - Step 2: Convert to fraction form
15,109,777.33/20,845,573.83 = 9,298,469.99/x - Step 3: Cross multiply
15,109,777.33x = 20,845,573.83 × 9,298,469.99 - Step 4: Simplify right side
15,109,777.33x = 193,831,942,734,698.28 - Step 5: Solve for x
x = 193,831,942,734,698.28/15,109,777.33 - Step 6: Final answer
x = 12,828,246.14
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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.