Finding the Fourth Proportional to 53,146,211.94, 79,719,318.93 and 12,756,695.94
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Solution
The fourth proportional to 53,146,211.94, 79,719,318.93 and 12,756,695.94 is: 19,135,044.15
Step by Step Solution
- Step 1: Write the proportion equation
53,146,211.94 : 79,719,318.93 = 12,756,695.94 : x - Step 2: Convert to fraction form
53,146,211.94/79,719,318.93 = 12,756,695.94/x - Step 3: Cross multiply
53,146,211.94x = 79,719,318.93 × 12,756,695.94 - Step 4: Simplify right side
53,146,211.94x = 1,016,955,112,133,896.25 - Step 5: Solve for x
x = 1,016,955,112,133,896.25/53,146,211.94 - Step 6: Final answer
x = 19,135,044.15
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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.