Finding the Fourth Proportional to 11,462,020.55, 15,816,630.94 and 6,751,668.01
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Solution
The fourth proportional to 11,462,020.55, 15,816,630.94 and 6,751,668.01 is: 9,316,737.89
Step by Step Solution
- Step 1: Write the proportion equation
11,462,020.55 : 15,816,630.94 = 6,751,668.01 : x - Step 2: Convert to fraction form
11,462,020.55/15,816,630.94 = 6,751,668.01/x - Step 3: Cross multiply
11,462,020.55x = 15,816,630.94 × 6,751,668.01 - Step 4: Simplify right side
11,462,020.55x = 106,788,641,143,574.22 - Step 5: Solve for x
x = 106,788,641,143,574.22/11,462,020.55 - Step 6: Final answer
x = 9,316,737.89
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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.