Finding the Fourth Proportional to 13,466,122.76, 18,583,367.43 and 7,665,277.49
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Solution
The fourth proportional to 13,466,122.76, 18,583,367.43 and 7,665,277.49 is: 10,578,150.11
Step by Step Solution
- Step 1: Write the proportion equation
13,466,122.76 : 18,583,367.43 = 7,665,277.49 : x - Step 2: Convert to fraction form
13,466,122.76/18,583,367.43 = 7,665,277.49/x - Step 3: Cross multiply
13,466,122.76x = 18,583,367.43 × 7,665,277.49 - Step 4: Simplify right side
13,466,122.76x = 142,446,667,956,661.31 - Step 5: Solve for x
x = 142,446,667,956,661.31/13,466,122.76 - Step 6: Final answer
x = 10,578,150.11
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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.