Finding the Fourth Proportional to 38,862,919.10, 58,267,806.60 and 18,402,440.60
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Solution
The fourth proportional to 38,862,919.10, 58,267,806.60 and 18,402,440.60 is: 27,591,078.45
Step by Step Solution
- Step 1: Write the proportion equation
38,862,919.10 : 58,267,806.60 = 18,402,440.60 : x - Step 2: Convert to fraction form
38,862,919.10/58,267,806.60 = 18,402,440.60/x - Step 3: Cross multiply
38,862,919.10x = 58,267,806.60 × 18,402,440.60 - Step 4: Simplify right side
38,862,919.10x = 1,072,269,849,848,788.12 - Step 5: Solve for x
x = 1,072,269,849,848,788.12/38,862,919.10 - Step 6: Final answer
x = 27,591,078.45
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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.