Finding the Fourth Proportional to 7,412,523.67, 11,121,966.86 and 2,866,762.07
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Solution
The fourth proportional to 7,412,523.67, 11,121,966.86 and 2,866,762.07 is: 4,301,373.47
Step by Step Solution
- Step 1: Write the proportion equation
7,412,523.67 : 11,121,966.86 = 2,866,762.07 : x - Step 2: Convert to fraction form
7,412,523.67/11,121,966.86 = 2,866,762.07/x - Step 3: Cross multiply
7,412,523.67x = 11,121,966.86 × 2,866,762.07 - Step 4: Simplify right side
7,412,523.67x = 31,884,032,668,101.36 - Step 5: Solve for x
x = 31,884,032,668,101.36/7,412,523.67 - Step 6: Final answer
x = 4,301,373.47
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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.