Finding the Fourth Proportional to 8,784,831.20, 13,176,031.80 and 2,723,730.80
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Solution
The fourth proportional to 8,784,831.20, 13,176,031.80 and 2,723,730.80 is: 4,085,219.49
Step by Step Solution
- Step 1: Write the proportion equation
8,784,831.20 : 13,176,031.80 = 2,723,730.80 : x - Step 2: Convert to fraction form
8,784,831.20/13,176,031.80 = 2,723,730.80/x - Step 3: Cross multiply
8,784,831.20x = 13,176,031.80 × 2,723,730.80 - Step 4: Simplify right side
8,784,831.20x = 35,887,963,635,439.44 - Step 5: Solve for x
x = 35,887,963,635,439.44/8,784,831.20 - Step 6: Final answer
x = 4,085,219.49
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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.