Finding the Fourth Proportional to 29,613,135.06, 40,864,430.82 and 16,381,522.62
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Solution
The fourth proportional to 29,613,135.06, 40,864,430.82 and 16,381,522.62 is: 22,605,563.26
Step by Step Solution
- Step 1: Write the proportion equation
29,613,135.06 : 40,864,430.82 = 16,381,522.62 : x - Step 2: Convert to fraction form
29,613,135.06/40,864,430.82 = 16,381,522.62/x - Step 3: Cross multiply
29,613,135.06x = 40,864,430.82 × 16,381,522.62 - Step 4: Simplify right side
29,613,135.06x = 669,421,597,831,255.12 - Step 5: Solve for x
x = 669,421,597,831,255.12/29,613,135.06 - Step 6: Final answer
x = 22,605,563.26
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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.