Finding the Fourth Proportional to 7,036,986.98, 9,706,034.76 and 6,458,079.98
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Solution
The fourth proportional to 7,036,986.98, 9,706,034.76 and 6,458,079.98 is: 8,907,555.03
Step by Step Solution
- Step 1: Write the proportion equation
7,036,986.98 : 9,706,034.76 = 6,458,079.98 : x - Step 2: Convert to fraction form
7,036,986.98/9,706,034.76 = 6,458,079.98/x - Step 3: Cross multiply
7,036,986.98x = 9,706,034.76 × 6,458,079.98 - Step 4: Simplify right side
7,036,986.98x = 62,682,348,768,740.11 - Step 5: Solve for x
x = 62,682,348,768,740.11/7,036,986.98 - Step 6: Final answer
x = 8,907,555.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.