Finding the Fourth Proportional to 7,509,728.43, 10,363,628.97 and 4,247,031.02
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Solution
The fourth proportional to 7,509,728.43, 10,363,628.97 and 4,247,031.02 is: 5,861,018.02
Step by Step Solution
- Step 1: Write the proportion equation
7,509,728.43 : 10,363,628.97 = 4,247,031.02 : x - Step 2: Convert to fraction form
7,509,728.43/10,363,628.97 = 4,247,031.02/x - Step 3: Cross multiply
7,509,728.43x = 10,363,628.97 × 4,247,031.02 - Step 4: Simplify right side
7,509,728.43x = 44,014,653,663,542.51 - Step 5: Solve for x
x = 44,014,653,663,542.51/7,509,728.43 - Step 6: Final answer
x = 5,861,018.02
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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.