Finding the Fourth Proportional to 12,326,938.74, 18,492,930.05 and 4,238,863.97
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Solution
The fourth proportional to 12,326,938.74, 18,492,930.05 and 4,238,863.97 is: 6,359,163.17
Step by Step Solution
- Step 1: Write the proportion equation
12,326,938.74 : 18,492,930.05 = 4,238,863.97 : x - Step 2: Convert to fraction form
12,326,938.74/18,492,930.05 = 4,238,863.97/x - Step 3: Cross multiply
12,326,938.74x = 18,492,930.05 × 4,238,863.97 - Step 4: Simplify right side
12,326,938.74x = 78,389,014,775,016.33 - Step 5: Solve for x
x = 78,389,014,775,016.33/12,326,938.74 - Step 6: Final answer
x = 6,359,163.17
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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.