Finding the Fourth Proportional to 18,445,115.40, 27,684,403.65 and 9,353,537.70
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Solution
The fourth proportional to 18,445,115.40, 27,684,403.65 and 9,353,537.70 is: 14,038,790.63
Step by Step Solution
- Step 1: Write the proportion equation
18,445,115.40 : 27,684,403.65 = 9,353,537.70 : x - Step 2: Convert to fraction form
18,445,115.40/27,684,403.65 = 9,353,537.70/x - Step 3: Cross multiply
18,445,115.40x = 27,684,403.65 × 9,353,537.70 - Step 4: Simplify right side
18,445,115.40x = 258,947,113,242,292.56 - Step 5: Solve for x
x = 258,947,113,242,292.56/18,445,115.40 - Step 6: Final answer
x = 14,038,790.63
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1.5x scale
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.