Finding the Fourth Proportional to 23,534,988.96, 32,478,091.92 and 13,221,494.88
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Solution
The fourth proportional to 23,534,988.96, 32,478,091.92 and 13,221,494.88 is: 18,245,554.60
Step by Step Solution
- Step 1: Write the proportion equation
23,534,988.96 : 32,478,091.92 = 13,221,494.88 : x - Step 2: Convert to fraction form
23,534,988.96/32,478,091.92 = 13,221,494.88/x - Step 3: Cross multiply
23,534,988.96x = 32,478,091.92 × 13,221,494.88 - Step 4: Simplify right side
23,534,988.96x = 429,408,926,032,449.44 - Step 5: Solve for x
x = 429,408,926,032,449.44/23,534,988.96 - Step 6: Final answer
x = 18,245,554.60
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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.