Finding the Fourth Proportional to 51,117,888.99, 76,662,867.54 and 18,322,345.17
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Solution
The fourth proportional to 51,117,888.99, 76,662,867.54 and 18,322,345.17 is: 27,478,511.90
Step by Step Solution
- Step 1: Write the proportion equation
51,117,888.99 : 76,662,867.54 = 18,322,345.17 : x - Step 2: Convert to fraction form
51,117,888.99/76,662,867.54 = 18,322,345.17/x - Step 3: Cross multiply
51,117,888.99x = 76,662,867.54 × 18,322,345.17 - Step 4: Simplify right side
51,117,888.99x = 1,404,643,520,789,869 - Step 5: Solve for x
x = 1,404,643,520,789,869/51,117,888.99 - Step 6: Final answer
x = 27,478,511.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.