Finding the Fourth Proportional to 27,124,515.36, 40,687,088.94 and 7,955,654.76
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Solution
The fourth proportional to 27,124,515.36, 40,687,088.94 and 7,955,654.76 is: 11,933,574.79
Step by Step Solution
- Step 1: Write the proportion equation
27,124,515.36 : 40,687,088.94 = 7,955,654.76 : x - Step 2: Convert to fraction form
27,124,515.36/40,687,088.94 = 7,955,654.76/x - Step 3: Cross multiply
27,124,515.36x = 40,687,088.94 × 7,955,654.76 - Step 4: Simplify right side
27,124,515.36x = 323,692,432,796,054.31 - Step 5: Solve for x
x = 323,692,432,796,054.31/27,124,515.36 - Step 6: Final answer
x = 11,933,574.79
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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.