Finding the Fourth Proportional to 8,482,831.52, 11,705,957.60 and 4,615,367.99
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Solution
The fourth proportional to 8,482,831.52, 11,705,957.60 and 4,615,367.99 is: 6,369,017.45
Step by Step Solution
- Step 1: Write the proportion equation
8,482,831.52 : 11,705,957.60 = 4,615,367.99 : x - Step 2: Convert to fraction form
8,482,831.52/11,705,957.60 = 4,615,367.99/x - Step 3: Cross multiply
8,482,831.52x = 11,705,957.60 × 4,615,367.99 - Step 4: Simplify right side
8,482,831.52x = 54,027,301,917,730.60 - Step 5: Solve for x
x = 54,027,301,917,730.60/8,482,831.52 - Step 6: Final answer
x = 6,369,017.45
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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.