Finding the Fourth Proportional to 22,157,463.08, 30,582,400.88 and 12,993,058.28
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Solution
The fourth proportional to 22,157,463.08, 30,582,400.88 and 12,993,058.28 is: 17,933,412.12
Step by Step Solution
- Step 1: Write the proportion equation
22,157,463.08 : 30,582,400.88 = 12,993,058.28 : x - Step 2: Convert to fraction form
22,157,463.08/30,582,400.88 = 12,993,058.28/x - Step 3: Cross multiply
22,157,463.08x = 30,582,400.88 × 12,993,058.28 - Step 4: Simplify right side
22,157,463.08x = 397,358,916,876,539.44 - Step 5: Solve for x
x = 397,358,916,876,539.44/22,157,463.08 - Step 6: Final answer
x = 17,933,412.12
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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.