Finding the Fourth Proportional to 10,738,552.79, 14,819,205.29 and 5,909,656.79
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Solution
The fourth proportional to 10,738,552.79, 14,819,205.29 and 5,909,656.79 is: 8,155,327.71
Step by Step Solution
- Step 1: Write the proportion equation
10,738,552.79 : 14,819,205.29 = 5,909,656.79 : x - Step 2: Convert to fraction form
10,738,552.79/14,819,205.29 = 5,909,656.79/x - Step 3: Cross multiply
10,738,552.79x = 14,819,205.29 × 5,909,656.79 - Step 4: Simplify right side
10,738,552.79x = 87,576,417,171,952.16 - Step 5: Solve for x
x = 87,576,417,171,952.16/10,738,552.79 - Step 6: Final answer
x = 8,155,327.71
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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.