Finding the Fourth Proportional to 28,430,638.16, 39,258,196.49 and 17,995,064.18
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Solution
The fourth proportional to 28,430,638.16, 39,258,196.49 and 17,995,064.18 is: 24,848,326.00
Step by Step Solution
- Step 1: Write the proportion equation
28,430,638.16 : 39,258,196.49 = 17,995,064.18 : x - Step 2: Convert to fraction form
28,430,638.16/39,258,196.49 = 17,995,064.18/x - Step 3: Cross multiply
28,430,638.16x = 39,258,196.49 × 17,995,064.18 - Step 4: Simplify right side
28,430,638.16x = 706,453,765,277,297.38 - Step 5: Solve for x
x = 706,453,765,277,297.38/28,430,638.16 - Step 6: Final answer
x = 24,848,326.00
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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.