Finding the Fourth Proportional to 13,134,935.24, 18,129,233.94 and 7,704,176.84
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Solution
The fourth proportional to 13,134,935.24, 18,129,233.94 and 7,704,176.84 is: 10,633,537.33
Step by Step Solution
- Step 1: Write the proportion equation
13,134,935.24 : 18,129,233.94 = 7,704,176.84 : x - Step 2: Convert to fraction form
13,134,935.24/18,129,233.94 = 7,704,176.84/x - Step 3: Cross multiply
13,134,935.24x = 18,129,233.94 × 7,704,176.84 - Step 4: Simplify right side
13,134,935.24x = 139,670,824,247,489.95 - Step 5: Solve for x
x = 139,670,824,247,489.95/13,134,935.24 - Step 6: Final answer
x = 10,633,537.33
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.