Finding the Fourth Proportional to 20,294,623.98, 30,437,277.66 and 12,099,585.06
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Solution
The fourth proportional to 20,294,623.98, 30,437,277.66 and 12,099,585.06 is: 18,146,600.32
Step by Step Solution
- Step 1: Write the proportion equation
20,294,623.98 : 30,437,277.66 = 12,099,585.06 : x - Step 2: Convert to fraction form
20,294,623.98/30,437,277.66 = 12,099,585.06/x - Step 3: Cross multiply
20,294,623.98x = 30,437,277.66 × 12,099,585.06 - Step 4: Simplify right side
20,294,623.98x = 368,278,430,042,007.75 - Step 5: Solve for x
x = 368,278,430,042,007.75/20,294,623.98 - Step 6: Final answer
x = 18,146,600.32
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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.