Finding the Fourth Proportional to 26,465,015.64, 39,667,769.21 and 13,474,703.21
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Solution
The fourth proportional to 26,465,015.64, 39,667,769.21 and 13,474,703.21 is: 20,196,905.38
Step by Step Solution
- Step 1: Write the proportion equation
26,465,015.64 : 39,667,769.21 = 13,474,703.21 : x - Step 2: Convert to fraction form
26,465,015.64/39,667,769.21 = 13,474,703.21/x - Step 3: Cross multiply
26,465,015.64x = 39,667,769.21 × 13,474,703.21 - Step 4: Simplify right side
26,465,015.64x = 534,511,416,841,813.75 - Step 5: Solve for x
x = 534,511,416,841,813.75/26,465,015.64 - Step 6: Final answer
x = 20,196,905.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.