Finding the Fourth Proportional to 22,772,720.16, 31,423,250.16 and 13,603,416.48
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Solution
The fourth proportional to 22,772,720.16, 31,423,250.16 and 13,603,416.48 is: 18,770,860.75
Step by Step Solution
- Step 1: Write the proportion equation
22,772,720.16 : 31,423,250.16 = 13,603,416.48 : x - Step 2: Convert to fraction form
22,772,720.16/31,423,250.16 = 13,603,416.48/x - Step 3: Cross multiply
22,772,720.16x = 31,423,250.16 × 13,603,416.48 - Step 4: Simplify right side
22,772,720.16x = 427,463,559,081,706.62 - Step 5: Solve for x
x = 427,463,559,081,706.62/22,772,720.16 - Step 6: Final answer
x = 18,770,860.75
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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.