Finding the Fourth Proportional to 23,107,027.20, 31,888,693.80 and 12,793,750.08
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Solution
The fourth proportional to 23,107,027.20, 31,888,693.80 and 12,793,750.08 is: 17,655,926.72
Step by Step Solution
- Step 1: Write the proportion equation
23,107,027.20 : 31,888,693.80 = 12,793,750.08 : x - Step 2: Convert to fraction form
23,107,027.20/31,888,693.80 = 12,793,750.08/x - Step 3: Cross multiply
23,107,027.20x = 31,888,693.80 × 12,793,750.08 - Step 4: Simplify right side
23,107,027.20x = 407,975,978,854,845.50 - Step 5: Solve for x
x = 407,975,978,854,845.50/23,107,027.20 - Step 6: Final answer
x = 17,655,926.72
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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.