Finding the Fourth Proportional to 14,772,832.14, 20,385,976.41 and 9,269,173.74
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Solution
The fourth proportional to 14,772,832.14, 20,385,976.41 and 9,269,173.74 is: 12,791,125.99
Step by Step Solution
- Step 1: Write the proportion equation
14,772,832.14 : 20,385,976.41 = 9,269,173.74 : x - Step 2: Convert to fraction form
14,772,832.14/20,385,976.41 = 9,269,173.74/x - Step 3: Cross multiply
14,772,832.14x = 20,385,976.41 × 9,269,173.74 - Step 4: Simplify right side
14,772,832.14x = 188,961,157,203,831.47 - Step 5: Solve for x
x = 188,961,157,203,831.47/14,772,832.14 - Step 6: Final answer
x = 12,791,125.99
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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.