Finding the Fourth Proportional to 27,468,478.56, 37,908,271.92 and 15,245,335.68
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Solution
The fourth proportional to 27,468,478.56, 37,908,271.92 and 15,245,335.68 is: 21,039,546.45
Step by Step Solution
- Step 1: Write the proportion equation
27,468,478.56 : 37,908,271.92 = 15,245,335.68 : x - Step 2: Convert to fraction form
27,468,478.56/37,908,271.92 = 15,245,335.68/x - Step 3: Cross multiply
27,468,478.56x = 37,908,271.92 × 15,245,335.68 - Step 4: Simplify right side
27,468,478.56x = 577,924,330,469,118.12 - Step 5: Solve for x
x = 577,924,330,469,118.12/27,468,478.56 - Step 6: Final answer
x = 21,039,546.45
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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.