Finding the Fourth Proportional to 19,351,325.10, 28,992,936.60 and 18,199,279.02
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Solution
The fourth proportional to 19,351,325.10, 28,992,936.60 and 18,199,279.02 is: 27,266,894.65
Step by Step Solution
- Step 1: Write the proportion equation
19,351,325.10 : 28,992,936.60 = 18,199,279.02 : x - Step 2: Convert to fraction form
19,351,325.10/28,992,936.60 = 18,199,279.02/x - Step 3: Cross multiply
19,351,325.10x = 28,992,936.60 × 18,199,279.02 - Step 4: Simplify right side
19,351,325.10x = 527,650,542,792,570.12 - Step 5: Solve for x
x = 527,650,542,792,570.12/19,351,325.10 - Step 6: Final answer
x = 27,266,894.65
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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.