Finding the Fourth Proportional to 7,809,548.16, 11,721,878.66 and 3,768,880.36
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Solution
The fourth proportional to 7,809,548.16, 11,721,878.66 and 3,768,880.36 is: 5,656,967.26
Step by Step Solution
- Step 1: Write the proportion equation
7,809,548.16 : 11,721,878.66 = 3,768,880.36 : x - Step 2: Convert to fraction form
7,809,548.16/11,721,878.66 = 3,768,880.36/x - Step 3: Cross multiply
7,809,548.16x = 11,721,878.66 × 3,768,880.36 - Step 4: Simplify right side
7,809,548.16x = 44,178,358,263,977.12 - Step 5: Solve for x
x = 44,178,358,263,977.12/7,809,548.16 - Step 6: Final answer
x = 5,656,967.26
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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.