Finding the Fourth Proportional to 16,222,596.79, 22,387,181.91 and 8,880,434.91
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Solution
The fourth proportional to 16,222,596.79, 22,387,181.91 and 8,880,434.91 is: 12,254,999.26
Step by Step Solution
- Step 1: Write the proportion equation
16,222,596.79 : 22,387,181.91 = 8,880,434.91 : x - Step 2: Convert to fraction form
16,222,596.79/22,387,181.91 = 8,880,434.91/x - Step 3: Cross multiply
16,222,596.79x = 22,387,181.91 × 8,880,434.91 - Step 4: Simplify right side
16,222,596.79x = 198,807,911,613,746.38 - Step 5: Solve for x
x = 198,807,911,613,746.38/16,222,596.79 - Step 6: Final answer
x = 12,254,999.26
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1.5x scale
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.