Finding the Fourth Proportional to 10,667,722.23, 14,721,455.97 and 5,772,943.80
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Solution
The fourth proportional to 10,667,722.23, 14,721,455.97 and 5,772,943.80 is: 7,966,662.06
Step by Step Solution
- Step 1: Write the proportion equation
10,667,722.23 : 14,721,455.97 = 5,772,943.80 : x - Step 2: Convert to fraction form
10,667,722.23/14,721,455.97 = 5,772,943.80/x - Step 3: Cross multiply
10,667,722.23x = 14,721,455.97 × 5,772,943.80 - Step 4: Simplify right side
10,667,722.23x = 84,986,137,968,984.48 - Step 5: Solve for x
x = 84,986,137,968,984.48/10,667,722.23 - Step 6: Final answer
x = 7,966,662.06
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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.