Finding the Fourth Proportional to 23,205,067.95, 32,021,119.19 and 13,416,143.09
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Solution
The fourth proportional to 23,205,067.95, 32,021,119.19 and 13,416,143.09 is: 18,513,193.65
Step by Step Solution
- Step 1: Write the proportion equation
23,205,067.95 : 32,021,119.19 = 13,416,143.09 : x - Step 2: Convert to fraction form
23,205,067.95/32,021,119.19 = 13,416,143.09/x - Step 3: Cross multiply
23,205,067.95x = 32,021,119.19 × 13,416,143.09 - Step 4: Simplify right side
23,205,067.95x = 429,599,916,727,798.62 - Step 5: Solve for x
x = 429,599,916,727,798.62/23,205,067.95 - Step 6: Final answer
x = 18,513,193.65
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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.