Finding the Fourth Proportional to 27,853,746.96, 38,440,932.84 and 15,630,652.56
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Solution
The fourth proportional to 27,853,746.96, 38,440,932.84 and 15,630,652.56 is: 21,571,850.50
Step by Step Solution
- Step 1: Write the proportion equation
27,853,746.96 : 38,440,932.84 = 15,630,652.56 : x - Step 2: Convert to fraction form
27,853,746.96/38,440,932.84 = 15,630,652.56/x - Step 3: Cross multiply
27,853,746.96x = 38,440,932.84 × 15,630,652.56 - Step 4: Simplify right side
27,853,746.96x = 600,856,865,304,334.12 - Step 5: Solve for x
x = 600,856,865,304,334.12/27,853,746.96 - Step 6: Final answer
x = 21,571,850.50
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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.