Finding the Fourth Proportional to 16,121,831.94, 22,247,119.80 and 8,878,487.94
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Solution
The fourth proportional to 16,121,831.94, 22,247,119.80 and 8,878,487.94 is: 12,251,758.09
Step by Step Solution
- Step 1: Write the proportion equation
16,121,831.94 : 22,247,119.80 = 8,878,487.94 : x - Step 2: Convert to fraction form
16,121,831.94/22,247,119.80 = 8,878,487.94/x - Step 3: Cross multiply
16,121,831.94x = 22,247,119.80 × 8,878,487.94 - Step 4: Simplify right side
16,121,831.94x = 197,520,784,844,035.22 - Step 5: Solve for x
x = 197,520,784,844,035.22/16,121,831.94 - Step 6: Final answer
x = 12,251,758.09
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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.