Finding the Fourth Proportional to 10,667,769.14, 14,721,566.33 and 5,772,991.48
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Solution
The fourth proportional to 10,667,769.14, 14,721,566.33 and 5,772,991.48 is: 7,966,752.55
Step by Step Solution
- Step 1: Write the proportion equation
10,667,769.14 : 14,721,566.33 = 5,772,991.48 : x - Step 2: Convert to fraction form
10,667,769.14/14,721,566.33 = 5,772,991.48/x - Step 3: Cross multiply
10,667,769.14x = 14,721,566.33 × 5,772,991.48 - Step 4: Simplify right side
10,667,769.14x = 84,987,476,995,344.88 - Step 5: Solve for x
x = 84,987,476,995,344.88/10,667,769.14 - Step 6: Final answer
x = 7,966,752.55
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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.