Finding the Fourth Proportional to 27,326,478.12, 37,710,507.85 and 14,936,652.92
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Solution
The fourth proportional to 27,326,478.12, 37,710,507.85 and 14,936,652.92 is: 20,612,563.56
Step by Step Solution
- Step 1: Write the proportion equation
27,326,478.12 : 37,710,507.85 = 14,936,652.92 : x - Step 2: Convert to fraction form
27,326,478.12/37,710,507.85 = 14,936,652.92/x - Step 3: Cross multiply
27,326,478.12x = 37,710,507.85 × 14,936,652.92 - Step 4: Simplify right side
27,326,478.12x = 563,268,767,192,385.50 - Step 5: Solve for x
x = 563,268,767,192,385.50/27,326,478.12 - Step 6: Final answer
x = 20,612,563.56
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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.