Finding the Fourth Proportional to 11,463,431.64, 15,819,535.13 and 6,306,682.47
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Solution
The fourth proportional to 11,463,431.64, 15,819,535.13 and 6,306,682.47 is: 8,703,221.52
Step by Step Solution
- Step 1: Write the proportion equation
11,463,431.64 : 15,819,535.13 = 6,306,682.47 : x - Step 2: Convert to fraction form
11,463,431.64/15,819,535.13 = 6,306,682.47/x - Step 3: Cross multiply
11,463,431.64x = 15,819,535.13 × 6,306,682.47 - Step 4: Simplify right side
11,463,431.64x = 99,768,784,887,920.17 - Step 5: Solve for x
x = 99,768,784,887,920.17/11,463,431.64 - Step 6: Final answer
x = 8,703,221.52
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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.