Finding the Fourth Proportional to 10,415,728.01, 15,616,021.35 and 4,352,195.18
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Solution
The fourth proportional to 10,415,728.01, 15,616,021.35 and 4,352,195.18 is: 6,525,129.38
Step by Step Solution
- Step 1: Write the proportion equation
10,415,728.01 : 15,616,021.35 = 4,352,195.18 : x - Step 2: Convert to fraction form
10,415,728.01/15,616,021.35 = 4,352,195.18/x - Step 3: Cross multiply
10,415,728.01x = 15,616,021.35 × 4,352,195.18 - Step 4: Simplify right side
10,415,728.01x = 67,963,972,850,247.09 - Step 5: Solve for x
x = 67,963,972,850,247.09/10,415,728.01 - Step 6: Final answer
x = 6,525,129.38
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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.