Finding the Fourth Proportional to 10,195,122.92, 15,292,725.62 and 4,129,969.37
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Solution
The fourth proportional to 10,195,122.92, 15,292,725.62 and 4,129,969.37 is: 6,194,970.75
Step by Step Solution
- Step 1: Write the proportion equation
10,195,122.92 : 15,292,725.62 = 4,129,969.37 : x - Step 2: Convert to fraction form
10,195,122.92/15,292,725.62 = 4,129,969.37/x - Step 3: Cross multiply
10,195,122.92x = 15,292,725.62 × 4,129,969.37 - Step 4: Simplify right side
10,195,122.92x = 63,158,488,297,300.79 - Step 5: Solve for x
x = 63,158,488,297,300.79/10,195,122.92 - Step 6: Final answer
x = 6,194,970.75
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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.