Finding the Fourth Proportional to 7,756,537.80, 11,640,121.02 and 2,707,848.12
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Solution
The fourth proportional to 7,756,537.80, 11,640,121.02 and 2,707,848.12 is: 4,063,627.44
Step by Step Solution
- Step 1: Write the proportion equation
7,756,537.80 : 11,640,121.02 = 2,707,848.12 : x - Step 2: Convert to fraction form
7,756,537.80/11,640,121.02 = 2,707,848.12/x - Step 3: Cross multiply
7,756,537.80x = 11,640,121.02 × 2,707,848.12 - Step 4: Simplify right side
7,756,537.80x = 31,519,679,820,579.48 - Step 5: Solve for x
x = 31,519,679,820,579.48/7,756,537.80 - Step 6: Final answer
x = 4,063,627.44
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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.