Finding the Fourth Proportional to 27,163,994.76, 37,475,250.36 and 15,400,785.96
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Solution
The fourth proportional to 27,163,994.76, 37,475,250.36 and 15,400,785.96 is: 21,246,812.73
Step by Step Solution
- Step 1: Write the proportion equation
27,163,994.76 : 37,475,250.36 = 15,400,785.96 : x - Step 2: Convert to fraction form
27,163,994.76/37,475,250.36 = 15,400,785.96/x - Step 3: Cross multiply
27,163,994.76x = 37,475,250.36 × 15,400,785.96 - Step 4: Simplify right side
27,163,994.76x = 577,148,309,591,773 - Step 5: Solve for x
x = 577,148,309,591,773/27,163,994.76 - Step 6: Final answer
x = 21,246,812.73
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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.