Finding the Fourth Proportional to 27,658,296.95, 38,167,449.34 and 15,268,124.41
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Solution
The fourth proportional to 27,658,296.95, 38,167,449.34 and 15,268,124.41 is: 21,069,459.41
Step by Step Solution
- Step 1: Write the proportion equation
27,658,296.95 : 38,167,449.34 = 15,268,124.41 : x - Step 2: Convert to fraction form
27,658,296.95/38,167,449.34 = 15,268,124.41/x - Step 3: Cross multiply
27,658,296.95x = 38,167,449.34 × 15,268,124.41 - Step 4: Simplify right side
27,658,296.95x = 582,745,364,992,740.62 - Step 5: Solve for x
x = 582,745,364,992,740.62/27,658,296.95 - Step 6: Final answer
x = 21,069,459.41
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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.