Finding the Fourth Proportional to 7,652,777.28, 10,560,843.45 and 4,168,129.74
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Solution
The fourth proportional to 7,652,777.28, 10,560,843.45 and 4,168,129.74 is: 5,752,024.93
Step by Step Solution
- Step 1: Write the proportion equation
7,652,777.28 : 10,560,843.45 = 4,168,129.74 : x - Step 2: Convert to fraction form
7,652,777.28/10,560,843.45 = 4,168,129.74/x - Step 3: Cross multiply
7,652,777.28x = 10,560,843.45 × 4,168,129.74 - Step 4: Simplify right side
7,652,777.28x = 44,018,965,663,429.20 - Step 5: Solve for x
x = 44,018,965,663,429.20/7,652,777.28 - Step 6: Final answer
x = 5,752,024.93
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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.