Finding the Fourth Proportional to 23,168,202.24, 31,971,630.72 and 12,854,703.36
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Solution
The fourth proportional to 23,168,202.24, 31,971,630.72 and 12,854,703.36 is: 17,739,219.67
Step by Step Solution
- Step 1: Write the proportion equation
23,168,202.24 : 31,971,630.72 = 12,854,703.36 : x - Step 2: Convert to fraction form
23,168,202.24/31,971,630.72 = 12,854,703.36/x - Step 3: Cross multiply
23,168,202.24x = 31,971,630.72 × 12,854,703.36 - Step 4: Simplify right side
23,168,202.24x = 410,985,828,841,063.19 - Step 5: Solve for x
x = 410,985,828,841,063.19/23,168,202.24 - Step 6: Final answer
x = 17,739,219.67
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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.